Bibliography

Firstname:	V.
Surname:	Manyong
Email:	v.manyong@cgiar.org
Institute:	IITA
Homepage:	http://www.iita.org
Found authors with very similar names. You can choose to merge the following authors with this author by clicking on the merge link. Manyong, A. M. (merge) Manyong, V.* (merge)

Cowpea
Socioeconomic studies
Sub-Saharan Africa

2025
Perspectives on the adoption of black-soldier fly larvae for animal feed among livestock farmers in Sub-Saharan Africa, Nyamuhirwa, D. A., Feleke, S., Dontsop-Nguezet, P., Sissoko, D., Moussa, B., Kouakou, A., Zakari, S., Abdoulaye, T. and Manyong, V., in: Frontiers in Environmental Economics, volume 4, number -: 1519767, pages 1-15, ISSN 2813-2823, 2025. [DOI]
Is youth's engagement in agribusiness an opportunity or a necessity? A closer look at the situation in South Kivu, Eastern Democratic Republic of the Congo, Mangole, C. D., Dontsop-Nguezet, P., Feleke, S., Manyong, V., Christian, K., Bamba, Z. and Abdoulaye, T., in: Agribusiness, pages 1-13, ISSN 0742-4477, 2025. [DOI]
2024
Willingness of west African consumers to buy food produced using Black Soldier Fly Larvae and Frass, Traore, O., Zaato, P. A., Baidoo, J. K., Feleke, S., Manyong, V., Abdoulaye, T., Djouaka, R. F., Schreinemachers, P. and Ba, M. N ., in: Foods, volume 13, number 17: 2825, pages 1-15, ISSN 2304-8158, 2024. [DOI]
Promoting youth engagement in agriculture through land titling programs: evidence from Tanzania, Msangi, H. A., Waized, B., Ndyetabula, D. W.* and Manyong, V., in: Heliyon, volume 10, number 7: e29074, pages 1-15, ISSN 2405-8440, 2024. [DOI]
Cross-country evidence of consumers' perception of food from animals fed on insects in DR Congo, Mali, and Niger, Dontsop-Nguezet, P., Nyamuhirwa, D. A., Shiferaw, B., Manyong, V., Sissoko, D., Moussa, B., Kouakou, A., Zakari, S. and Abdoulaye, T., in: Journal of Agriculture and Food Research, volume 17, number -: 101243, pages 1-11, ISSN 2666-1543, 2024. [DOI]
Misattribution prevents learning, Hoel, J. B., Michelson, H., Norton, B. and Manyong, V., in: American Journal of Agricultural Economics, pages 1-24, ISSN 0002-9092, 2024. [DOI]
Circular bioeconomy practices and their associations with household food security in four RUNRES African city regions, Sekabira, H., Feleke, S., Manyong, V., Spath, L., Krutli, P., Simbeko, G., Vanlauwe, B. and Six, J., in: PLOS Sustainability and Transformation, volume 3, number 4: e0000108, pages 1-22, ISSN 2767-3197, 2024. [DOI]
Drivers and magnitude of food insecurity among rural households in southern Democratic Republic of Congo, Manyong, V., Dontsop-Nguezet, P., Nyamuhirwa, D. A., Osabohien, R., Bokanga, M., Mignouna, J., Bamba, Z. and Adeoti, R., in: Heliyon, volume 10, number 21: e40207, pages 1-13, ISSN 2405-8440, 2024. [DOI]
2023
Evaluation of training on good agronomic practices for seed yam production in Nigeria, Mignouna, D., Aighewi, B., Maroya, N., Akinribido, B., Balogun, M., Akintayo, O. T., Amah, D., Awotide, B. A., Dontsop-Nguezet, P., Abdoulaye, T., Asiedu, R. and Manyong, V., in: Seeds, volume 2, number 1, pages 116-126, ISSN 2674-1024, 2023. [DOI]
Entrepreneurial potential and agribusiness desirability among youths in South Kivu, Democratic Republic of the Congo, Simbeko, G., Dontsop-Nguezet, P., Sekabira, H., Yami, M., Amato-Masirika, S., Bheenick, K., Bugandwa, D., Nyamuhirwa, D. A., Mignouna, J., Bamba, Z. and Manyong, V., in: Sustainability, volume 15, number 1: 873, pages 1-23, ISSN 2071-1050, 2023. [DOI]
Assessing the crop productivity and household welfare effects of adopting certified seeds of improved cassava varieties in Uganda, Ahimbisibwe, B. P., Morton, J. F., Feleke, S., Alene, A., Abdoulaye, T., Wellard, K., Mungatana, E., Bua, A.*, Asfaw, S. and Manyong, V., in: Agrekon, volume 62, number 2, pages 164-177, ISSN 0303-1853, 2023. [DOI]
Maize productivity and household welfare impacts of mobile money usage in Tanzania, Kilombele, H., Feleke, S., Abdoulaye, T., Cole, S. M., Sekabira, H. and Manyong, V., in: International Journal of Financial Studies, volume 11, number 1: 27, pages 1-20, ISSN 2227-7072, 2023. [DOI]
Elaborating institutional arrangements to better enhance sustainable crop intensification in Uganda: a farmers' perspective, Pali, P. N., Tebeka, Y. A., Schut, M.+, Mangheni, M. N., Wairegi, L. W., Manyong, V. and Van Asten, P. J. A., in: Journal of Rural Studies, volume 98, pages 68-79, ISSN 0743-0167, 2023. [DOI]
Determinants and success of engagement in circular bioeconomy practices in African food systems, Sekabira, H., Simbeko, G., Feleke, S., Manyong, V., Spath, L., Krutli, P., Vanlauwe, B., Kintche, K., Wilde, B. and Six, J., in: Cleaner and Circular Bioeconomy, number 6: 100065, pages 1-13, ISSN 2772-8013, 2023. [DOI]
Impact of informal institutions on youth agribusiness participation in southern Benin, Magbondé, K. G., Mignouna, D., Manyong, V., Adeoti, R. and Sossou, A. O., in: Agricultural and Food Economics, volume 11, number -: 11, pages 1-26, ISSN 2193-7532, 2023. [DOI]
IITA's Social Science and Agribusiness Research for Development: compendium of research highlights 1967-2022, Manyong, V., Feleke, S. and Abdoulaye, T., International Institute of Tropical Agriculture (IITA), ISBN 978-978-131-412-4, 2023.
2022
Evaluating the heterogeneous impacts of adoption of climate-smart agricultural technologies on rural households' welfare in Mali, Awotide, B. A., Ogunniyi, A.+, Olagunju, K. O., Bello, L. O ., Coulibaly, A. Y., Wiredu, A. N., Kone, B., Ahamadou, A.*, Manyong, V. and Abdoulaye, T., in: Agriculture, volume 12, number 11: 1853, pages 1-16, ISSN 2077-0472, 2022. [DOI]
Gender differences in technology adoption and agricultural productivity: evidence from Malawi, Hirpa Tufa, A., Alene, A., Cole, S. M., Manda, J., Feleke, S., Abdoulaye, T., Chikoye, D. and Manyong, V., in: World Development, volume 159, number -: 106027, pages 1-15, ISSN 0305-750X, 2022. [DOI]
The effect of land inheritance on youth migration and employment decisions in Rwanda, Byishimo, P., Hirpa Tufa, A., Yami, M., Alene, A., Feleke, S., Abdoulaye, T. and Manyong, V., in: Sustainability, volume 14, number 9: 5404, pages 1-14, ISSN 2071-1050, 2022. [DOI]
Assessing the impact of Youth-in-Agribusiness Program on poverty and vulnerability to poverty in Nigeria, Bello, L. O., Baiyegunhi, L. J., Danso-Abbeam, G., Ogunniyi, A. I., Abdoulaye, T., Manyong, V., Bamba, Z. and Awotide, B. A., in: Agriculture, volume 12, number 5: 735, pages 1-14, ISSN 2077-0472, 2022. [DOI]
Farmers' credit access in the Democratic Republic of Congo: empirical evidence from youth tomato farmers in Ruzizi plain in south Kivu, Bonnke, S. M., Dontsop-Nguezet, P., Biringanine, A. N., Jean-Jacques, M. S.*, Manyong, V. and Bamba, Z., in: Cogent Economics & Finance, volume 10, number 1: 2071386, pages 1-23, ISSN 2332-2039, 2022. [DOI]
Analysis of technical efficiency among youth involved in crop production in Njombe Region, Tanzania, Ngatigwa, A. A., Hepelwa, A., Manyong, V. and Feleke, S., in: Cogent Economics & Finance, volume 10, number 1: 2103923, pages 1-17, ISSN 2332-2039, 2022. [DOI]
COVID-19 outbreak and rural household food security in the western Democratic Republic of the Congo, Manyong, V., Bokanga, M., Dieu-Merci, A. N.*, Bamba, Z., Adeoti, R., Mwepu, G., Cole, S. M. and Dontsop-Nguezet, P., in: World Development Perspectives, volume 28, number -: 100469, pages 1-10, ISSN 2452-2929, 2022. [DOI]
2021
The poverty impacts of improved soybean technologies in Malawi, Hirpa Tufa, A., Alene, A., Manda, J., Feleke, S., Assfaw Wossen, T., Akinwale, M. G., Chikoye, D. and Manyong, V., in: Agrekon, pages 1-20, ISSN 0303-1853, 2021. [DOI]
Entrepreneurial motivation, psychological capital, and business success of young entrepreneurs in the DRC, Ephrem, A. N., Dontsop-Nguezet, P., Charmant, I. K., Murimbika, M., Awotide, B. A., Abdoulaye, T., Lydie, M. N. and Manyong, V., in: Sustainability, volume 13, number 8: 4087, pages 1-22, ISSN 2071-1050, 2021. [DOI]
Nigeria zero hunger/IITA Policy brief No. 1: Nigeria zero hunger strategic review - nutritional status of children under the age of 5 in Benue state, Nigeria, Okike, I., Ayoola, G. B., Ogundapo, A. T., Ojide, M., Abdoulaye, T., Dashiell, K. and Manyong, V., in: HSOA Journal of Food Science and Nutrition, volume 7, number 4: 114, pages 1-4, ISSN 2470-1076, 2021. [DOI]
Nigeria zero hunger/IITA policy brief No. 2: Nigeria zero hunger strategic review-nutritional status of children under the age of 5 in Ebonyi state, Nigeria, Okike, I., Ayoola, G. B., Ogundapo, A. T., Ojide, M., Abdoulaye, T., Dashiell, K. and Manyong, V., in: HSOA Journal of Food Science and Nutrition, volume 7, number 4: 116, pages 1-4, ISSN 2470-1076, 2021. [DOI]
Nigeria zero hunger/IITA policy brief No. 3: Nigeria zero hunger strategic review - nutritional status of children under the age of 5 in Ogun state, Nigeria, Okike, I., Ayoola, G. B., Ogundapo, A. T., Ojide, M., Abdoulaye, T., Dashiell, K. and Manyong, V., in: HSOA Journal of Food Science and Nutrition, volume 7, number 4: 117, pages 1-4, ISSN 2470-1076, 2021. [DOI]
Nigeria zero hunger/IITA policy brief No. 4: Nigeria zero hunger strategic review - nutritional status of children under the age of 5 in Sokoto state, Nigeria, Okike, I., Ayoola, G. B., Ogundapo, A. T., Ojide, M., Abdoulaye, T., Dashiell, K. and Manyong, V., in: HSOA Journal of Food Science and Nutrition, volume 7, number 4: 118, pages 1-4, ISSN 2470-1076, 2021. [DOI]
Nigeria zero hunger/IITA policy brief No. 5: Nigeria zero hunger Strategic review - nutritional status of children under the age of 5 in Kebbi state, Nigeria, Okike, I., Ayoola, G. B., Ogundapo, A. T., Ojide, M., Abdoulaye, T., Dashiell, K. and Manyong, V., in: HSOA Journal of Food Science and Nutrition, volume 7, number 4: 119, pages 1-4, ISSN 2470-1076, 2021. [DOI]
Impact of youth-in-agribusiness program on employment creation in Nigeria, Bello, L. O., Baiyegunhi, L. J., Mignouna, D., Adeoti, R., Dontsop-Nguezet, P., Abdoulaye, T., Manyong, V., Bamba, Z. and Awotide, B. A., in: Sustainability, volume 13, number 21: 12243, pages 1-20, ISSN 2071-1050, 2021. [DOI]
Rural schools as effective hubs for agricultural technology dissemination: experimental evidence from Tanzania and Uganda, Kpaka, H. M., Assfaw Wossen, T., Stein, D., Mtunda, K., Laizer, L.*, Feleke, S. and Manyong, V., in: European Review of Agricultural Economics, pages 1-37, ISSN 0165-1587, 2021. [DOI]
Youth participation in agriculture and poverty reduction in Nigeria, Osabohien, R.*, Wiredu, A., Dontsop-Nguezet, P., Mignouna, D., Abdoulaye, T., Manyong, V. and Awotide, B. A., in: Sustainability, volume 13, number 14: 7795, pages 1-19, ISSN 2071-1050, 2021. [DOI]
Misperceived quality: fertilizer in Tanzania, Michelson, H., Fairbairn, A., Ellison, B., Maertens, A. and Manyong, V., in: Journal of Development Economics, volume 148, number -: 102579, pages 1-21, ISSN 0304-3878, 2021. [DOI]
Circular bioeconomy research for development in sub-Saharan Africa: innovations, gaps, and actions, Feleke, S., Cole, S. M., Sekabira, H., Djouaka, R. F. and Manyong, V., in: Sustainability, volume 13, number 4: 1926, pages 1-20, ISSN 2071-1050, 2021. [DOI]
Perceived social norms and agripreneurial intention among youths in eastern DRC, Ephrem, A. N., Dontsop-Nguezet, P., Murimbika, M., Bamba, Z. and Manyong, V., in: Sustainability, volume 13, number 6: 3442, pages 1-21, ISSN 2071-1050, 2021. [DOI]
Assessing the impact of COVID-19 on gender equality and the youth and social inclusion in the Democratic Republic of Congo, Cole, S. M., Dontsop-Nguezet, P., Bokanga, M., Bamba, Z. and Manyong, V., Study brief, 2021. [DOI]
Household hunger, poverty, and childcare in 5 states of Nigeria and their impacts on nutritional outcomes in preschool children, Manyong, V., Abdoulaye, T., Ojide, M., Ogundapo, A. T., Ayoola, G. B., Dashiell, K. and Okike, I., in: Food and Nutrition Bulletin, pages 1-22, ISSN 0379-5721, 2021. [DOI]
2020
Are farmers using cropping system intensification technologies experiencing poverty reduction in the Great Lakes Region of Africa?, Dontsop-Nguezet, P., Ainembabazi, J., Alene, A., Abdoulaye, T., Feleke, S., Nziguheba, G., Khonje, M., Mignouna, D., Okafor, C., Njukwe, E., van Asten, P., Mapatano, S., Vanlauwe, B. and Manyong, V., in: Food and Energy Security, volume 9, number 3: e205, pages 1-19, ISSN 2048-3694, 2020. [DOI]
Household welfare impacts of an agricultural innovation platform in Uganda, Ahimbisibwe, B. P., Morton, J. F., Feleke, S., Alene, A., Abdoulaye, T., Wellard, K., Mungatana, E., Bua, A.*, Asfaw, S. and Manyong, V., in: Food and Energy Security, volume 9, number -: e225, pages 1-18, ISSN 2048-3694, 2020. [DOI]
Does cooperative membership increase and accelerate agricultural technology adoption? Empirical evidence from Zambia, Manda, J., Khonje, M., Alene, A., Hirpa Tufa, A., Abdoulaye, T., Mutenje, M., Setimela, P. S. and Manyong, V., in: Technological Forecasting & Social Change, volume 158, number -: 120160, pages 1-12, ISSN 0040-1625, 2020. [DOI]
Willingness to pay of Nigerian poultry producers and feed millers for aflatoxin-safe maize, Johnson, A. M., Abdoulaye, T., Ayedun, B., Fulton, J. R., Widmar, N. J., Akande, A., Bandyopadhyay, R. and Manyong, V., in: Agribusiness, volume 36, number 2, pages 299-317, ISSN 0742-4477, 2020. [DOI]
The effects of foreign direct investment on youth unemployment in the Southern African Development Community, Mkombe, D.*, Hirpa Tufa, A., Alene, A., Manda, J., Feleke, S., Abdoulaye, T. and Manyong, V., in: Development Southern Africa, pages 1-16, ISSN 0376-835X, 2020. [DOI]
Assessment of willingness-to-pay for aflasafe KE01, a native biological control product for aflatoxin management in Kenya, Migwi, B., Mutegi, C., Mburu, J., Wagacha, M.*, Cotty, P., Bandyopadhyay, R. and Manyong, V., in: Food Additives and Contaminants: Part A, volume 37, number 11, pages 1951-1962, ISSN 1944-0049, 2020. [DOI]
Market participation, household food security, and income: the case of cowpea producers in northern Nigeria, Manda, J., Alene, A., Hirpa Tufa, A., Feleke, S., Abdoulaye, T., Omoigui, L. and Manyong, V., in: Food and Energy Security, number -: e211, pages 1-17, ISSN 2048-3694, 2020. [DOI]
Potential returns to yam research investment in sub-Saharan Africa and beyond, Mignouna, D., Akinola, A., Abdoulaye, T., Alene, A., Manyong, V., Maroya, N., Aighewi, B., Kumar, P. L., Balogun, M., Lopez-Montes, A ., Rees, D. and Asiedu, R., in: Outlook on Agriculture, volume 49, number 3, pages 215-224, ISSN 0030-7270, 2020. [DOI]
Assessment of factors influencing youth involvement in horticulture agribusiness in Tanzania: a case study of Njombe region, Ngatigwa, A. A., Hepelwa, A., Yami, M. and Manyong, V., in: Agriculture, volume 10, number 7: 287, pages 1-17, ISSN 2077-0472, 2020. [DOI]
Factors influencing implementation of bylaws on sustainable crop intensification: evidence from potatoes in southwestern Uganda, Makuma-Henry, M., Kibwika, P., Nampala, P., Manyong, V. and Yami, M., in: Cogent Social Sciences, volume 6, number -: 1841421, pages 1-22, ISSN 2331-1886, 2020. [DOI]
Unlocking the potential of agribusiness in Africa through youth participation: an impact evaluation of N-Power Agro Empowerment Program in Nigeria, Ogunmodede, A. M., Ogunsanwo, M. O.* and Manyong, V., in: Sustainability, volume 12, number 14: 5737, pages 1-18, ISSN 2071-1050, 2020. [DOI]
2019
The productivity and income effects of adoption of improved soybean varieties and agronomic practices in Malawi, Hirpa Tufa, A., Alene, A., Manda, J., Akinwale, M. G., Chikoye, D., Feleke, S., Assfaw Wossen, T. and Manyong, V., in: World Development, volume 124, pages 1-10, ISSN 0305-750X, 2019. [DOI]
Estimating the productivity impacts of technology adoption in the presence of misclassification, Assfaw Wossen, T., Abdoulaye, T., Alene, A., Nguimkeu, P., Feleke, S., Rabbi, I. Y., Haile, M. G. and Manyong, V., in: American Journal of Agricultural Economics, volume 101, number 1, pages 1-16, ISSN 0002-9092, 2019. [DOI]
Adoption and ex-post impacts of improved cowpea varieties on productivity and net returns in Nigeria, Manda, J., Alene, A., Hirpa Tufa, A., Abdoulaye, T., Kamara, A., Olufajo, O.*, Boukar, O. and Manyong, V., in: Journal of Agricultural Economics, pages 1-19, ISSN 0021-857X, 2019. [DOI]
The poverty impacts of improved cowpea varieties in Nigeria: a counterfactual analysis, Manda, J., Alene, A., Hirpa Tufa, A., Abdoulaye, T., Assfaw Wossen, T., Chikoye, D. and Manyong, V., in: World Development, volume 122, pages 261-271, ISSN 0305-750X, 2019. [DOI]
African rural youth engagement in agribusiness: achievements, limitations, and lessons, Yami, M.*, Feleke, S., Abdoulaye, T., Alene, A., Bamba, Z. and Manyong, V., in: Sustainability, volume 11, number -:185, pages 1-15, ISSN 2071-1050, 2019. [DOI]
Agricultural technology adoption and household welfare: measurement and evidence, Assfaw Wossen, T., Alene, A., Abdoulaye, T., Feleke, S. and Manyong, V., in: Food Policy, pages 1-9, ISSN 0306-9192, 2019. [DOI]
Ex-ante evaluation of promising soybean innovations for sub-Saharan Africa, Gbegbelegbe, S., Alene, A., Kamara, A., Wiebe, K., Manyong, V., Abdoulaye, T. and Mkandawire, P., in: Food and Energy Security, pages 1-16, ISSN 2048-3694, 2019. [DOI]
Socio-economic factors and smallholder cassava farmers' access to credit in south-western Nigeria, Awotide, B.*, Abdoulaye, T., Alene, A. and Manyong, V., in: Tropicultura, volume 37, number 1, pages 1-10, ISSN 0771-3312, 2019. [DOI]
2018
The rapid degradation of Lambda-Cyhalothrin makes treated vegetables relatively safe for consumption, Djouaka, R. F., Soglo, M. F., Kusimo, M. O., Adeoti, R., Talom, A., Zeukeng, F., Paraiso, A.*, Afari-Sefa, V., Saethre, M., Manyong, V., Tamo, M., Waage, J., Lines, J. and Mahuku, G., in: International Journal of Environmental Research and Public Health, volume 15, number -:1536, pages 1-17, ISSN 1660-4601, 2018. [DOI]
Who benefits from which agricultural research-for-development technologies? Evidence from farm household poverty analysis in central Africa, Ainembabazi, J. H., Abdoulaye, T., Feleke, S., Alene, A., Dontsop-Nguezet, P., Ndayisaba, P. C., Hicintuka, C., Mapatano, S.* and Manyong, V., in: World Development, volume 108, pages 28-46, ISSN 0305-750X, 2018. [DOI]
"Estimating the productivity impacts of technology adoption in the presence of misclassification" - author response to comment, Assfaw Wossen, T., Abdoulaye, T., Alene, A., Nguimkeu, P., Feleke, S., Rabbi, I. Y., Haile, M. G. and Manyong, V., in: American Journal of Agricultural Economics, pages 1, ISSN 0002-9092, 2018. [DOI]
Aflatoxin awareness and Aflasafe adoption potential of Nigerian smallholder maize farmers, Johnson, A. M., Fulton, J. R., Abdoulaye, T., Ayedun, B., Widmar, N. J., Akande, A., Bandyopadhyay, R. and Manyong, V., in: World Mycotoxin Journal, pages 1-10, ISSN 1875-0710, 2018. [DOI]
Opportunities and pitfalls for researchers to contribute to the design of evidence-based agricultural policies: lessons from Uganda, Pali, P., Schut, M., Kibwika, P.*, Wairegi, L., Yami, M., Van Asten, P. and Manyong, V., in: International Journal of Agricultural Sustainability, pages 1-14, ISSN 1473-5903, 2018. [DOI]
Poverty reduction effects of agricultural technology adoption: the case of improved cassava varieties in Nigeria, Assfaw Wossen, T., Alene, A., Abdoulaye, T., Feleke, S., Rabbi, I. Y. and Manyong, V., in: Journal of Agricultural Economics, pages 1-16, ISSN 0021-857X, 2018. [DOI]
2017
The cassava monitoring survey in Nigeria: final report, Assfaw Wossen, T., Girma Tessema, G., Abdoulaye, T., Rabbi, I. Y., Olanrewaju, A., Bentley, J. W., Alene, A., Feleke, S., Kulakow, P., Asumugha, G., Abass, A., Tokula, M.* and Manyong, V., 2017.
Impact assessment report of YIIFSWA project: raising household income, improving food security and reducing poverty in Ghana, Mignouna, D., Maroya, N., Aighewi, B., Kumar, P. L., Abdoulaye, T., Akinola, A., Otabil, P., Braimah, H., Alene, A., Manyong, V. and Asiedu, R., Booklet, 2017.
Impact assessment report of YIIFSWA project: raising household income, improving food security and reducing poverty in Nigeria, Mignouna, D., Maroya, N., Aighewi, B., Kumar, P. L., Akinribido, B., Ikeorgu, J.*, Abdoulaye, T., Akinola, A., Alene, A., Manyong, V. and Asiedu, R., YIIFSWA impact assessment report, 2017.
A manual for large-scale sample collection, preservation, tracking, DNA extraction, and variety identification analysis, Girma Tessema, G., Rabbi, I. Y., Olanrewaju, A., Alaba, O. A., Kulakow, P., Alabi, T. R., Ayedun, B., Abdoulaye, T., Assfaw Wossen, T. and Manyong, V., International Institute of Tropical Agriculture (IITA), 2017.
A survey of aflatoxin and aflasafe awareness and management among Nigeria poultry producers and feed millers, Johnson, A. M., Abdoulaye, T., Ayedun, B., Fulton, J. R., Widmar, N. J., Akande, A., Bandyopadhyay, R. and Manyong, V., Working paper No 17-4, 2017.
Impacts of extension access and cooperative membership on technology adoption and household welfare, Assfaw Wossen, T., Abdoulaye, T., Alene, A., Haile, M. G., Feleke, S., Olanrewaju, A. and Manyong, V., in: Journal of Rural Studies, volume 54, pages 223-233, ISSN 0743-0167, 2017. [DOI]
Cassava farmers' preferences for varieties and seed dissemination system in Nigeria: gender and regional perspectives, Bentley, J. W., Olanrewaju, A., Madu, T., Olaosebikan, O., Abdoulaye, T., Assfaw Wossen, T., Manyong, V., Kulakow, P., Ayedun, B., Ojide, M., Girma Tessema, G., Rabbi, I. Y., Asumugha, G.* and Tokula, M.*, IITA Monograph, International Institute of Tropical Agriculture (IITA), ISBN 978-978-8444-82-4, 2017.
Measuring the impacts of adaptation strategies to drought stress: the case of drought tolerant maize varieties, Assfaw Wossen, T., Abdoulaye, T., Alene, A., Feleke, S., Menkir, A. and Manyong, V., in: Journal of Environmental Management, volume 203, number 1, pages 106-113, ISSN 0301-4797, 2017. [DOI]
Productivity and welfare effects of Nigeria's e-voucher-based input subsidy program, Assfaw Wossen, T., Abdoulaye, T., Alene, A., Feleke, S., Ricker-Gilbert, J., Manyong, V. and Awotide, B. A., in: World Development, volume 97, pages 251-265, ISSN 0305-750X, 2017. [DOI]
Assessing the efficiency of sweet potato producers in the southern region of Ethiopia, Jote, A., Feleke, S., Hirpa Tufa, A., Manyong, V. and Lemma, T., in: Experimental Agriculture, pages 1-16, ISSN 0014-4797, 2017. [DOI]
An assessment of willingness to pay by maize and groundnut farmers for aflatoxin biocontrol product in northern Nigeria, Ayedun, B., Okpachu, O. G., Manyong, V., Atehnkeng, J., Akinola, A. A., Abu, G. A., Bandyopadhyay, R. and Abdoulaye, T., in: Journal of Food Protection, volume 80, number 9, pages 1451-1460, ISSN 0362-028X, 2017. [DOI]
Adoption and impacts of sustainable intensification practices in Ghana, Kotu, B. H., Alene, A., Manyong, V., Hoeschle-Zeledon, I. and Larbi, A., in: International Journal of Agricultural Sustainability, volume 15, number 5, pages 539-554, ISSN 1473-5903, 2017. [DOI]
2016
Multiple insecticide resistance in an infected population of the malaria vector Anopheles funestus in Benin, Djouaka, R. F., Riveron, J., Yessoufou, A., Tchigossou, G., Akoton, R., Irving, H., Djegbe, I., Moutairou, K.*, Adeoti, R., Tamo, M., Manyong, V. and Wondji, C. S., in: Parasites & Vectors, volume 9, number 453, pages 1-12, ISSN 1756-3305, 2016. [DOI]
Improving the speed of adoption of agricultural technologies and farm performance through farmer groups: evidence from the Great Lakes Region of Africa, Ainembabazi, J. H., Van Asten, P., Vanlauwe, B., Ouma, E., Blomme, G., Birachi, E., Dontsop-Nguezet, P., Mignouna, D. and Manyong, V., in: Agricultural Economics, volume 48, pages 1-19, ISSN 0169-5150, 2016.
Constraints in adopting improved technologies for maize cultivation: the case of Africa, Abdoulaye, T., Bamire, A. S., Akinola, A. A., Alene, A., Menkir, A. and Manyong, V., volume 1, pages 1-30, chapter 18, Burleigh Dodds Science Publishing Limited, ISBN 9781786760081, 2016.
Can food technology innovation change the status of a food security crop? A review of cassava transformation into "Bread" in Africa, Abass, A., Awoyale, W., Alenkhe, B., Ndavi, M., Asiru, W. B.*, Manyong, V. and Sanginga, N., in: Food Reviews International, pages 1-16, ISSN 8755-9129, 2016. [DOI]
A technical review of modern cassava technology adoption in Nigeria (1985-2013): trends, challenges, and opportunities: HarvestPlus working paper, No. 23, Oparinde, A., Abdoulaye, T., Manyong, V., Birol, E., Asare-Marfo, D., Kulakow, P. and Ilona, P., HarvestPlus working paper, No. 23, 2016.
Non-farm activities and adoption of improved cassava and beans varieties in south-Kivu, DR Congo, Dontsop-Nguezet, P., Manyong, V., Abdoulaye, T., Alene, A., Amato, M. S.*, Ainembabazi, J. H., Mignouna, D. and Okafor, C., in: Tropicultura, volume 34, number 3, pages 262-275, ISSN 0771-3312, 2016.
Assessing the impacts of cassava technology on poverty reduction in Africa, Feleke, S., Manyong, V., Abdoulaye, T. and Alene, A., in: Studies in Agricultural Economics, volume 118, number 2, pages 101-111, ISSN 1418-2106, 2016. [DOI]
2015
Improving the adoption of agricultural technologies and farm performance through farmer groups: Evidence from the Great Lakes Region of Africa: proceeding, Ainembabazi, J. H., Van Asten, P., Vanlauwe, B., Ouma, E., Blomme, G., Birachi, E., Manyong, V. and Macharia, I.*, Universita Degli Studi di Milano, 2015.
Ex-ante economic impact assessment of genetically modified banana resistant to Xanthomonas wilt in the great lakes region of Africa, Ainembabazi, J. H., Tripathi, L., Rusike, J.*, Abdoulaye, T. and Manyong, V., in: PLoS ONE, volume 10, number 9(e0138998), pages 1-21, ISSN 1932-6203, 2015. [DOI]
A microeconometric analysis of household consumption expenditure determinants in yam-growing areas of Nigeria and Ghana, Mignouna, D., Abdoulaye, T., Alene, A., Manyong, V., Dontsop-Nguezet, P., Ainembabazi, J. H. and Asiedu, R., in: Tropicultura, volume 33, number 3, pages 226-237, ISSN 0771-3312, 2015.
Impact of agricultural technology adoption on asset ownership: the case of improved cassava varieties in Nigeria, Awotide, B.*, Alene, A., Abdoulaye, T. and Manyong, V., in: Food Security, volume 7, number 6, pages 1239-1258, ISSN 1876-4517, 2015. [DOI]
The effectiveness of crop improvement programmes from the perspectives of varietal output and adoption: cassava, cowpea, soybean and yam in sub-Saharan Africa and maize in West and Central Africa, Alene, A., Abdoulaye, T., Rusike, J.*, Manyong, V. and Walker, T. S., pages 74-122, chapter 6, CGIAR and CABI, ISBN 978 1 78064 401 1, 2015.
Banana and plantain improvement, Swennen, R. and Manyong, V., 2015.
2014
Does a cassava research-for-development program have impact at the farm level? Evidence from the Democratic Republic of Congo, Rusike, J., Mahungu, N., Lukombo, S., Kendenga, T, Bidiaka, S., Alene, A., Lema, A.* and Manyong, V., in: Food Policy, volume 46, pages 193-204, ISSN 0306-9192, 2014. [DOI]
Towards a research agenda on tracking the contribution of agricultural research to poverty reduction in Africa: the case of the International Institute of Tropical Agriculture (IITA), Rusike, J.*, Abdoulaye, T., Alene, A., Ainembabazi, J. H., Dontsop-Nguezet, P., Coulibaly, O., Gockowski, J. and Manyong, V., 2014.
Awareness and adoption of improved cassava varieties and processing technologies in Nigeria, Abdoulaye, T., Abass, A., Maziya-Dixon, B., Tarawali, G., Okechukwu, R., Rusike, J., Alene, A., Manyong, V. and Ayedun, B., in: Journal of Development and Agricultural Economics, volume 6, number 2, pages 67-75, ISSN 2006-9774, 2014. [DOI]
Characterization of yam-growing households in the project areas of Nigeria, Mignouna, D., Abdoulaye, T., Alene, A., Asiedu, R. and Manyong, V., International Institute of Tropical Agriculture (IITA), ISBN 978-978-8444-46-6, 2014.
Characterization of yam-growing households in the project areas of Ghana, Mignouna, D., Abdoulaye, T., Alene, A., Asiedu, R. and Manyong, V., International Institute of Tropical Agriculture (IITA), ISBN 978-978-8444-45-9, 2014.
Assessing the extent and determinants of adoption of improved cassava varieties in south-western Nigeria, Awotide, B.*, Abdoulaye, T., Alene, A. and Manyong, V., in: Journal of Development and Agricultural Economics, volume 6, number 9, pages 376-385, ISSN 2006-9774, 2014. [DOI]
2013
Global, regional and local drivers of change in cassava value chains in selected countries in Africa: Implications for upgrading smallholder systems, Rusike, J., Adebayo, A., Abdoulaye, T., Alene, A., Bowser, W. and Manyong, V., Abstract, P. 250 in the book of abstracts and programme of the 12th Triennial Symposium of International Society for Tropical Root Crops-Africa Branch (ISTRC-AB), 30 - 5, October, Alisa Hotel, Accra, Ghana, 2013.
Economic analysis of seed yam production systems in Nigeria, Mignouna, D., Abdoulaye, T., Alene, A., Aighewi, B., Pelemo, O., Manyong, V., Asiedu, R. and Akoroda, M. O.*, in: Journal of Root Crops, volume 39, number 2, pages 221-229, ISSN 0378-2409, 2013.
Comparative cost and profit analysis of yam production in Nigeria and Ghana, Mignouna, D., Abdoulaye, T., Alene, A., Asiedu, R., Manyong, V. and Leke, W., Abstract, P. 45 in the program and book of abstracts of the First Global Conference on Yam 'to harness research innovations to unleash the potential of yam', 3-6 October, Accra, Ghana, 2013.
Estimating the actual and potential adoption rates and determinants of NERICA rice varieties in Nigeria, Dontsop-Nguezet, P., Diagne, A., Okoruwa, V., Ojehomon, V. and Manyong, V., in: Journal of Crop Improvement, volume 27, number 5, pages 561-585, ISSN 1542-7528, 2013. [DOI]
Ex-ante economic analysis of biological control of coconut mite in Benin, Oleke, J. M., Manyong, V., Mignouna, D., Isinika, A., Mutabazi, K. D., Hanna, R. and Sabelis, M., in: AgBioForum, volume 16, number 2, pages 161-169, ISSN 1522-936X, 2013.
2012
The impact of the emergency response to the outbreak of the cassava mosaic disease in the Democratic Republic of Congo, Rusike, J., Mahungu, N., Lukombo, S., Kendenga, T, Bidiaka, S., Alene, A., Lema, A. and Manyong, V., in: Tropical Roots and Tuber Crops and the Challenges of Globalization and Climate Changes=Plantes a Racines et Tubercules Tropicales et les Defis de la Mondialisation et du Changement Climatique: Proceedings of the 11th triennial Symposium of the ISTRC-AB, pages 3-30, ISTRC-AB, Ibadan, Nigeria, 2012.
Does cassava processing research-for-development have an impact on fabricator, processor and farm level outcomes? Evidence from Nigeria. Proceedings of pre-conference workshop, 28th International Conference of Agricultural Economists., Rusike, J., Abdoulaye, T., Asumugha, G., Dixon, A., Manyong, V. and Ilona, P., 2012.
Targeting cowpea breeding and seed delivery efforts to enhance poverty impacts in sub-Saharan Africa, Coulibaly, O., Alene, A., Abdoulaye, T., Chianu, J., Manyong, V., Aitchedji, C., Fatokun, C., Kamara, A., Boukar, O., Tefera, H., Boahen, S. and Chikoye, D., in: Innovative research along the cowpea value chain:proceedings of the Fifth World Cowpea Conference on improving livelihoods in science, held in Saly, Senegal, 27 september -1 October 2010, pages 358-368, IITA, Ibadan, Nigeria, 2012.
Adoption and impact of improved technologies in developing countries: the case of Imazapyr-resistant maize in Western Kenya, Mignouna, D., Mutabazi, K. D.* and Manyong, V., LAP LAMBERT Academic Publishing. (BOOK), ISBN 978-3659115769, 2012.
Using a discrete choice experiment to elicit the demand for a nutritious food: willingness-to-pay for orange maize in rural Zambia, Meenakshi, J., Banerji, A., Manyong, V., Tomlins, K., Mittal, N.* and Hamukwala, P.*, in: Journal of Health Economics, volume 31, number 1, pages 62-71, ISSN 0167-6296, 2012. [DOI]
Farmers' perception of coconut mite damage and crop diversification alternatives in the coastal belt of Tanzania, Oleke, J. M., Isinika, A.*, Manyong, V., Hanna, R. and Sabelis, M., in: International Journal of Acarology, volume 38, number 6, pages 471-479, ISSN 0164-7954, 2012. [DOI]
Economic analysis of Imazapyr-resistant maize technology for small farm households in western Kenya, Mignouna, D., Manyong, V., Mutabazi, K. D., Senkondo, E. , Madulu, R. B., Labintan, C.A. and Akinola, A. A., in: Eastern and Southern Africa Journal of Agricultural Economics and Development, volume 9, pages 26-38, 2012.
Assessing the technical efficiency of maize producers with Imazapyr-resistant maize for Striga control in Western Kenya, Mignouna, D., Manyong, V., Mutabazi, K. D., Senkondo, E. and Oleke, J. M., in: Journal of Development and Agricultural Economics, volume 4, number 8, pages 245-251, ISSN 2006- 9774, 2012. [DOI]
Effectiveness of cowpea and wild vigna germplasm distribution and cost implication on their conservation efforts by IITA, Manyong, V., Dumet, D., Ogundapo, A. T. and Horna, D., in: Innovative research along the cowpea value chain: proceedings of the fifth World Cowpea conference on improving livelihoods in the cowpea value chain through advancement in science, held in Saly, Senegal, 27 September-1 October 2010, pages 345-357, International Institute of Tropical Agriculture (IITA), Ibadan, Nigeria, 2012.
The agriculture and health program of the International Institute of Tropical Agriculture (IITA), a CGIAR institution in Africa, Manyong, V., Maziya-Dixon, B., Bandyopadhyay, R. and Djouaka, R. F., pages 177-187, chapter 16, Universitatsverlag Gottingen, ISBN 978-3-86395-047-7, 2012.
Economic damages of cassava brown streak disease in sub- Saharan Africa: a framework, Manyong, V., Maeda, C., Kanju, E. and Legg, J., in: Tropical Roots and Tuber Crops and the Challenges of Globalization and Climate Changes. Proceedings of the 11th triennial Symposium of the ISTRC-AB, 4 to 8 October 2010, pages 61-68, ISTRC-AB, Ibadan, Nigeria, 2012.
Ex-ante economic impact of the biotechnological research on cassava brown streak disease in eastern and southern Africa, Manyong, V., Vercauteren, K. and Tollens, E. F., in: Tropical Roots and Tuber Crops and the Challenges of Globalization and Climate Changes. Proceedings of the 11th triennial Symposium of the ISTRC-AB, 4 to 8 October 2010, pages 83-88, ISTRC-AB, Ibadan, Nigeria, 2012.
2011
Assessing the participation of IITA in cassava processing activities in Nigeria, Abdoulaye, T., Abass, A., Maziya-Dixon, B., Tarawali, G., Okechukwu, R., Rusike, J., Alene, A., Manyong, V. and Ayedun, B., in: Outcome and impact assessment at IITA: Issues and evidence. Proceedings of a mini-symposium on outcome and impact assessment at IITA., pages 8-10, International Institute of Tropical Agriculture (IITA), IITA, 2011.
Evaluating the effects of the cassava research-for-development approach: household evidence from Malawi and the Democratic Republic of Congo, Rusike, J., Mahungu, N., Lukombo, S., Kendenga, T, Bidiaka, S., Alene, A., Lema, A., Manyong, V., Jumbo, S., Sandifolo, V. and Malindi, G.*, in: Outcome and impact assessment at IITA: Issues and evidence. Proceedings of a mini-symposium on outcome and impact assessment at IITA, pages 11-13, International Institute of Tropical Agriculture (IITA), IITA, 2011.
Imazapyr-resistant maize technology adoption for witch weed control in West Kenya, Mignouna, D., Mutabazi, K. D., Senkondo, E. and Manyong, V., in: African Crop Science Journal, volume 19, number 3, pages 187-196, ISSN 1021-9730, 2011.
Practical issues and strategies for impact assessment at IITA, Alene, A., Abdoulaye, T., Rusike, J. and Manyong, V., in: Outcome and impact assessment at IITA: Issues and evidence. Proceedings of a mini-symposium on outcome and impact assessment at IITA., pages 19-21, International Institute of Tropical Agriculture (IITA), 2011.
Economic perspectives of the diversity of risks among crop farmers in the Northern Guninea Savanna of Nigeria, Olarinde, L., Akintola, J. and Manyong, V., in: The Social Sciences, volume 6, number 4, pages 262-268, ISSN 1818-5800, 2011. [DOI]
Training in impact assessment of agricultural innovations on food security, poverty reduction, and environmental protection in sub-Saharan Africa, Coulibaly, O., Adeoti, R., Manyong, V. and Sy, A., in: Outcome and impact assessment at IITA: issues and evidence, pages 14-15, 2011.
Determinants of adopting imazapyr-resistant maize for Striga control in Western Kenya: a double-hurdle approach, Mignouna, D., Manyong, V., Mutabazi, K. D.* and Senkondo, E. *, in: Journal of Development and Agricultural Economics, volume 3, number 11, pages 572-580, ISSN 2006- 9774, 2011.
Determinants of adopting imazapyr-resistant maize technologies and its impact on household income in Western Kenya, Mignouna, D., Manyong, V., Rusike, J., Mutabazi, K. D.* and Senkondo, E. *, in: AgBioForum, volume 14, number 3, pages 1-6, ISSN 1522-936X, 2011.
IITA social science research agenda for the next decade, Manyong, V., Alene, A., Abdoulaye, T., Rusike, J., Ouma, E., Yade, M., Coulibaly, O., Gockowski, J., Tegbaru, A. and Kirscht, H., Booklet, 2011.
New social science research agenda at IITA, Manyong, V., Alene, A., Abdoulaye, T., Rusike, J., Ouma, E., Yade, M., Coulibaly, O., Gockowski, J., Tegbaru, A. and Kirscht, H., in: Outcome and impact assessment at IITA: Issues and evidence. Proceedings of a mini-symposium on outcome and impact assessment at IITA., pages 22-23, International Institute of Tropical Agriculture (IITA), IITA, 2011.
2010
An assessment of economic and social impacts of the cassava mosaic disease project in the Democratic Republic of Congo, Rusike, J., Mahungu, N., Lukombo, S.*, Kendenga, T, Bidiaka, S., Alene, A., Lema, A. and Manyong, V., Abstract (Oral presentation) in Book of Abstracts of the 11th Triennial Symposium of ISTRC-AB, held at Memling Hotel, Kinshasa. 4-8 October, 2010.
Ex-Ante evaluation of cassava research for development in Malawi: a farm household and random utility modeling approach: proceedings of the 3rd African Association of Agricultural Economics, Rusike, J., Jumbo, S., Ntawuruhunga, P., Kawonga, J. M.*, James, B., Okechukwu, R. and Manyong, V., 2010.
Targeting cowpea breeding and seed delivery efforts to enhance poverty impacts in sub-Saharan Africa, Coulibaly, O., Alene, A., Abdoulaye, T., Chianu, J., Manyong, V., Aitchedji, C., Fatokun, C., Kamara, A., Ousmane, B., Tefera, H. and Boahen, S., Abstract (Oral presentation) in Program and Book of Abstracts of the 5th World Cowpea Research Conference, held at Palm Beach Hotel, Saly, Senegal. 27 September - 1 October, 2010.
The cowpea economy in West Africa - facts, trends, and outlook, Alene, A., Abdoulaye, T., Rusike, J. and Manyong, V., Abstract (Oral presentation) in Program and Book of Abstracts of the 5th World Cowpea Research Conference, held at Palm Beach Hotel, Saly, Senegal. 27 September - 1 October, 2010.
The potential benefits of GIS techniques in disease and pest control: an example based on a regional project in Central Africa, Bouwmeester, H., Abele, S., Manyong, V., Legg, C., Mwangi, M., Nakato, V., Coyne, D. and Sonder, K., in: Acta Horticulturae, volume 1, number 879, pages 333-340, ISSN 0567-7572, 2010.
Stakeholders analysis of coconut production and perception on coconut mite damage and other coconut constraints in Tanzania, Oleke, J. M., Manyong, V., Hanna, R. and Isinika, A. C., Abstract (Poster) in Book of Abstracts-13th International Congress of Acarology, Recife, Brazil, 23-27 August 2010, 2010.
Factors influencing risk aversion among maize farmers in the Northern Guinea Savanna of Nigeria: implications for sustainable crop development programmes, Olarinde, L.*, Manyong, V. and Akintola, J., in: Journal of Food, Agriculture and Environment, volume 8, number 1, pages 128-134, ISSN 1459-0255, 2010.
Economic analysis of soybean farming in northern Nigeria, Ojiako, I. A., Manyong, V. and Ikpi, A.*, in: The Nigerian Agricultural Journal, volume 41, number 1, pages 1-7, ISSN 0300-368X, 2010.
Setting priorities: case study of IITA's root and tuber crops systems program, Manyong, V., Okechukwu, R., Ojiambo, P.+ and Asiedu, R., in: African Journal of Root and Tuber Crops, volume 8, number 1, pages 6-12, ISSN 1118-2075, 2010.
Economic damages of cassava brown streak disease in sub-Saharan Africa, Manyong, V., Maeda, C., Kanju, E. and Legg, J., Abstract (Oral presentation) in Book of Abstracts of the 11th Triennial Symposium of ISTRC-AB, held at Memling Hotel, Kinshasa. 4-8 October, 2010.
Effectiveness of cowpea and wild Vigna germplasm distribution and cost implication on their conservation efforts by IITA's genebank, Manyong, V., Dumet, D., Ogundapo, A. T. and Homa, D, Abstract (Oral presentation) in Program and Book of Abstracts of the 5th World Cowpea Research Conference, held at Palm Beach Hotel, Saly, Senegal. 27 September - 1 October, 2010.
Economic damages of cassava brown streak disease in sub-Saharan Africa, Manyong, V., Maeda, C., Kanju, E. and Legg, J., Abstract (Oral presentation) in Book of Abstracts of the 11th Triennial Symposium of ISTRC-AB, held at Memling Hotel, Kinshasa. 4-8 October, 2010.
2009
The economic and poverty impacts of maize research in West and Central Africa, Alene, A., Menkir, A., Ajala, S., Badu-Apraku, B., Olanrewaju, A., Manyong, V. and Ndiaye, A.*, in: Agricultural Economics, volume 40, number 5, pages 535-550, ISSN 0169-5150, 2009.
Promoting regional trade to enhance food security: a case study on the border region of Tanzania and Zambia, Bese, D., Duchting, A., Gebauer, H., Gerken, A., Maeda, C., Manyong, V., Rupschus, C. and Starosta, S., Series S239, SLE, ISBN 3-936602-43-3, 2009.
A quantitative framework to analyse cooperation between rural households, Gerichhausen, M., Berkhout, E., Hamers, H. J. M. and Manyong, V., in: Agricultural Systems, volume 101, number 3, pages 173-185, ISSN 0308-521X, 2009. [DOI]
How cost-effective is biofortification in combating micronutrient malnutrition? An ex ante assessment, Meenakshi, J., Johnson, N., Manyong, V., De Groote, H., Javelosa, J., Yanggen, D. R., Naher, F.*, Gonzalez, C., Garcia, J. and Meng, E., in: World Development, ISSN 0305-750X, 2009. [DOI]
Determinants of wealth and socioeconomic status of rurals households: an application of multinomial logit model to soybean farmers in northern Nigeria, Ojiako, I. A., Manyong, V., Ezedinma, C. and Asumugha, G.*, in: Journal of Social Sciences, volume 19, number 1, pages 31-39, ISSN 0971-8923, 2009.
Determinants of nutritional status of preschool children from rural households in Kaduna and Kano States, Nigeria, Ojiako, I. A., Manyong, V. and Ikpi, A.*, in: Pakistan Journal of Nutrition, volume 8, number 9, pages 1497-1505, ISSN 1680-5194, 2009.
Efficiency-equity tradeoffs and the scope for resource reallocation in agricultural research: evidence from Nigeria, Alene, A., Manyong, V., Tollens, E. F. and Abele, S., in: Agricultural Economics, volume 40, number 1, pages 1-14, ISSN 0169-5150, 2009. [DOI]
Spatial analysis of livelihoods of smallholder farmers in Striga-infested maize growing areas of Eastern and Southern Africa, Bouwmeester, H., Manyong, V., Mutabazi, K. D., Meada, C., Omanya, G., Mignouna, H. D.* and Bokanga, M.*, International Institute of Tropical Agriculture (IITA); African Agricultural Technology Foundation (AATF), ISBN 978-131-328-5, 2009.
Baseline study of smallholder farmers in Striga infested maize growing areas of Central Malawi, Manyong, V., Mutabazi, K. D., Alene, A., Kabambe, V. H., Omanya, G., Mignouna, H. D. and Bokanga, M.*, African Agricultural Technology Foundation, ISBN 9966 775 07 2, 2009.
Baseline study of smallholder farmers in Striga infested maize growing areas of Eastern Uganda, Manyong, V., Mutabazi, K. D., Rutto, E., Alene, A., Omanya, G., Mignouna, H. D.* and Bokanga, M.*, African Agricultural Technology Foundation, ISBN 9966 775 09 9, 2009.
Baseline study of smallholder farmers in Striga infested maize growing areas of Eastern Tanzania, Manyong, V., Mutabazi, K. D., Maeda, C., Alene, A., Omanya, G., Mignouna, H. D.* and Bokanga, M.*, African Agricultural Technology Foundation, ISBN 9966 775 08 0, 2009.
The International Institute of Tropical Agriculture's (IITA) experience in priority assessment of agricultural research, Manyong, V., Sanogo, D. and Alene, A., pages 44-63, CABI, ISBN 978-1845935665, 2009.
2008
Cassava improvement in sub-Saharan Africa: contributions of IITA and its partners, Dixon, A., Okechukwu, R., Ssemakula, G., Hanna, R., Thresh, J. M., Hughes, J., Ingelbrecht, I., Fregene, M., Legg, J., Mahungu, N., Nweke, F., Ntawuruhunga, P., Fauquet, C., Manyong, V., Neuenschwander, P., Whyte, J., Wydra, K., Asiedu, R., Egesi, C. N., Bandyopadhyay, R., Winter, S., Tarawali, G., Bokanga, M., Ezedinma, C., Sanni, L., Ferguson, M., Ogbe, F., Akoroda, M., Maziya-Dixon, B., Ilona, P., Ekanayake, I. J., Ariyo, O., Onyeka, J., Otim-Nape, G., Dahniya, M. T., Ortiz, R., Hahn, S. K. and Hartmann, P., 2008.
Engaging with cultural practices in ways that benefit women in northern Nigeria, Tipilda, A., Alene, A. and Manyong, V., in: Development in practice, volume 18, number 4-5, pages 551-563, ISSN 1364-9213, 2008.
Household expenditure patterns in the rural areas of Oyo State, Nigeria: evidence of rural households' vulnerability to food insecurity, Ogundapo, A. T., Manyong, V., Kormawa, P. M.* and Fabiyi, Y.*, in: Journal of Agricultural and Food Economics, volume 3, number 1-2, pages 139-152, 2008.
Analysing optimum and alternative farm plans for risk averse grain crop farmers in Kaduna state, northern Nigeria, Olarinde, L., Manyong, V. and Okoruwa, V., in: World Journal of Agricultural Sciences, volume 4, number 1, pages 28-35, ISSN 1817-3047, 2008.
Estimating market demand for fresh yam characteristics using contingent valuation: implications for crop breeding and production choices, Amegbeto, N. K., Manyong, V., Coulibaly, O. and Asiedu, R., in: Agricultural Economics, volume 39, number 3, pages 349-363, 2008.
Economic efficiency and supply response of women as farm managers: comparative evidence from Western Kenya, Alene, A., Manyong, V., Omanya, G., Mignouna, H., Bokanga, M. and Odhiambo, G. D., in: World Development, volume 36, number 7, pages 1247-1260, ISSN 0305-750X, 2008.
Smallholder market participation under transactions costs: maize supply and fertilizer demand in Kenya, Alene, A., Manyong, V., Omanya, G., Mignouna, H., Bokanga, M. and Odhiambo, G. D., in: Food Policy, volume 33, pages 318-328, ISSN 0306-9192, 2008. [DOI]
Typology of households adopting improved soybean technology: an application of the discriminant analysis model in northern Nigeria, Ojiako, I. A., Manyong, V. and Ikpi, A.*, in: Journal of Agricultural and Food Economics, volume 3, number 1-2, pages 31-42, 2008.
Smallholder soybean farmers' supply response in northern Nigeria, Ojiako, I. A., Manyong, V. and Ikpi, A.*, in: Journal of Agricultural and Food Economics, volume 3, number 1-2, pages 43-53, 2008.
Farmer perceptions of Imazapyr-Resistant (IR) maize on the control of Striga in Western Kenya, Manyong, V., Nindi, S. J., Alene, A., Odhiambo, G. D., Omanya, G.*, Mignouna, H. and Bokanga, M., African Agricultural Technology Foundation, ISBN 9966-775-05-6, 2008.
Baseline study of Striga control using Imazapyr-Resistant (IR) maize in Western Kenya, Manyong, V., Alene, A., Olanrewaju, A., Ayedun, B., Rweyendela, V., Wesonga, A. S., Omanya, G.*, Mignouna, H. and Bokanga, M., African Agricultural Technology Foundation, ISBN 9966-775-04-8, 2008.
2007
The economic impact of investments in cassava research in Uganda, Bua, A., Acola, G., Adupa, R., Otim-Nape, G., Baguma, Y.*, Sserunkuma, D., Manyong, V. and Coulibaly, O., pages 147-151, chapter 14, CABI, ISBN 978-1845932671, 2007.
Ex post impact assessment of agricultural research in sub-Saharan Africa: the IITA experience, Nkamleu, G. B., Coulibaly, O., Sanogo, D., Manyong, V. and Alene, A., pages 27-47, International Institute of Tropical Agriculture (IITA), ISBN 978 131 321 8, 2007.
Economic analysis of balanced nutrient management technologies for maize production in Kaduna state, Nigeria, Omadachi, U. O., Ahmed, B.*, Manyong, V., Olukosi, J. and Yusuf, O., in: Journal of Applied Sciences, volume 7, number 1, pages 132-136, 2007.
How cost-effective is biofortification in combating micronutrient malnutrition? An ex ante assessment, Meenakshi, J., Johnson, N., Manyong, V., De Groote, H., Javelosa, J., Yanggen, D. R., Naher, F.*, Gonzalez, C., Garcia, J. and Meng, E., number 2, 2007.
Challenges, opportunities and strategy for cassava subsector development in Nigeria, Ezedinma, C., Kormawa, P., Manyong, V. and Dixon, A., in: Proceedings of the 13th ISTRC-Govt symposium, pages 627-640, Arusha, Tanzania, 2007.
Crop-livestock interaction in the savannas of Nigeria: nature and determinants of farmer decision to use manure for soil fertility maintenance, Chianu, J., Tsujii, H. and Manyong, V., in: Journal of Food, Agriculture and Environment, volume 5, number 2, pages 295-301, 2007.
The effects of education on agricultural productivity under traditional and improved technology in northern Nigeria: an endogenous switching regression analysis, Alene, A. and Manyong, V., in: Empirical Economics, volume 32, number 1, pages 141-159, 2007.
Targeting agricultural research based on potential impacts on poverty reduction: strategic program priorities by agro-ecological zone in Nigeria, Alene, A., Manyong, V., Tollens, E. F. and Abele, S., in: Food Policy, volume 32, number 3, pages 394-412, 2007.
Gains from high-yielding varieties with and without complementary technologies: the case of improved cowpea in northern Nigeria, Alene, A. and Manyong, V., in: Journal of Agricultural and Food Economics, volume 2, number 1, pages 1-14, 2007.
Risk aversion and sustainable maize production in Nigeria: some challenges and prospects for agricultural and economic development, Olarinde, L.* and Manyong, V., in: Second International Conference, August 20-22, 2007, Accra, Ghana : proceedings, pages 177-182, African Association of Agricultural Economists (AAAE), Nairobi, Kenya, 2007.
Assessing the impact of agricultural research on rural livelihoods: achievements, gaps, and options, Alene, A., Manyong, V., Abele, S. and Sanogo, D., International Institute of Tropical Agriculture (IITA), 2007.
Setting strategic agricultural research priorities based on potential impacts on poverty reduction: the case of Nigeria, Alene, A., Manyong, V., Tollens, E. F. and Abele, S., pages 8-26, International Institute of Tropical Agriculture (IITA), ISBN 978 131 321 8, 2007.
Ex-ante cost - benefit analysis of biofortification of cassava roots in Nigeria, Bamire, A. S.*, Manyong, V., Sanusi, I. and Awotide, D., in: Proceedings of 9th ISTRC-AB symposium, pages 1-8, Mombasa, Kenya, 2007.
Determinants of rural farmers' improved soybean adoption decisions in northern Nigeria, Ojiako, I. A., Manyong, V. and Ikpi, A.*, in: Journal of Food, Agriculture and Environment, volume 5, number 2, pages 215-223, 2007.
Attitudes towards risk among maize farmers in the dry savanna zone of Nigeria: some prospective policies for improving food production, Olarinde, L.*, Manyong, V. and Akintola, J., in: African Journal of Agricultural Research, volume 2, number 8, pages 399-408, 2007.
Determinants of market value for fresh yam (Dioscorea species) tubers in two consumption centers in Togo, Amegbeto, N. K., Manyong, V., Coulibaly, O. and Asiedu, R., in: Annales des Sciences Agronomiques du Benin, volume 9, number 2, pages 29-48, ISSN 1659-5009, 2007.
Livelihood strategies of resource-poor farmers in striga-infested areas of western Kenya, Manyong, V., Alene, A., Odhiambo, G. D., Mignouna, H. D., Bokanga, M., Omanya, G. and Nindi, S. J.*, in: Second International Conference, August 20-22, 2007, Accra, Ghana : proceedings, pages 546-552, African Association of Agricultural Economists (AAAE), 2007.
Rural household expenditures for roots and tubers in south western Nigeria: an almost ideal demand system analysis, Manyong, V., Bamire, A. S.* and Zuckerman, P., in: Proceedings of the 13th ISTRC-Govt symposium, pages 601-613, Arusha, Tanzania, 2007.
2006
Nigeria food consumption and nutrition survey 2001-2003 interviewer's manual, Maziya-Dixon, B., Onyezili, F., Oguntona, E. B., Harris, E., Sanusi, R., Nokoe, S., Manyong, V., Almustafa, D. and Akinyele, I.*, IITA, ISBN 978-131-313-7, 2006.
Nigeria food consumption and nutrition survey, Maziya-Dixon, B., Nokoe, S., Manyong, V., Akinyele, I., Oguntona, T. and Sanusi, R.*, in: Design and Operation, 2006.
Responding to food supply shocks through global partnerships in technology development and transfer: the case of the IITA-led biological control of cassava mealybug in sub-Saharan Africa, Alene, A., Manyong, V. and Coulibaly, O., in: Outlook on Agriculture, volume 35, number 4, pages 255-261, ISSN 0030-7270, 2006.
The efficiency - equity tradeoffs in agricultural research priority setting: the potential impacts of agricultural research on economic surplus and poverty reduction in Nigeria, Alene, A., Manyong, V., Tollens, E. F. and Abele, S., in: 26th Conference of the International Association of Agricultural Economists, Gold Coast, Australia, International Association of Agricultural Economists (IAAE), 2006.
Setting strategic agricultural research priorities based on potential impacts on poverty reduction: the case of Nigeria, Alene, A., Manyong, V., Tollens, E. F. and Abele, S., in: 26th Conference of the International Association of Agricultural Economists, International Association of Agricultural Economists (IAAE), Gold Coast, Australia, 2006.
IITA featured at the 26th IAAE, Australia, Alene, A. and Manyong, V., in: The IITA Bulletin, 2006.
A framework for conceptualizing impact assessment and promoting impact culture in agricultural research, Alene, A., Manyong, V., Gockowski, J., Coulibaly, O. and Abele, S., Impact series, 2006.
The production efficiency of intercropping systems annual and perennial crops in southern Ethiopia: a comparison of distance functions and production frontiers, Alene, A., Manyong, V. and Gockowski, J., in: Agricultural Systems, volume 91, number 1-2, pages 51-70, ISSN 0308-521X, 2006.
Endogenous technology adoption and household food security: the case of improved cowpea varieties in northern Nigeria, Alene, A. and Manyong, V., in: Quarterly Journal of International Agriculture, volume 45, number November, pages 211-230, 2006.
Farmer-to-farmer technology diffusion and yield variation among adopters: the case of improved cowpea in northern Nigeria, Alene, A. and Manyong, V., in: Agricultural Economics, volume 35, number 2, pages 203-211, ISSN 0169-5150, 2006.
Testing farmers' cropping decisions and varietal adoption behavior: the case of cowpea producers in northern Nigeria, Alene, A. and Manyong, V., in: Journal of Agricultural and Food Economics, volume 1, pages 1-15, 2006.
Effective dimensionality and factors affecting crop-livestock integration in West African savannas: a combination of principal component analysis and tobit approaches, Manyong, V., Okike, I. and Williams, T., in: Agricultural Economics, volume 35, number 2, pages 145-155, ISSN 0165-1587, 2006.
Baseline study of Striga control using IR maize in western Kenya, Manyong, V., Alene, A., Olanrewaju, A., Ayedun, B., Rweyendela, V. and Wesonga, A. S., in: Research Report, volume 1, pages 1-51, 2006.
Agricultural research: how well has the African farmer benefited?, Manyong, V. and Alene, A., International Institute of Tropical Agriculture (IITA), Ibadan, Nigeria, 2006.
Achievements in impact assessment of agricultural research: IITA experience, 2001-2006, Manyong, V., Alene, A., Sanogo, D., Coulibaly, O., Abele, S. and Nkamleu, G. B., IMPACT, International Institute of Tropical Agriculture (IITA), ISBN 978-131-292-0, 2006.
2005
Farmers' perceptions of benefits and factors affecting the adoption of improved dual-purpose cowpea in the dry savannas of Nigeria, Kristjanson, P., Okike, I., Tarawali, S., Singh, B. and Manyong, V., in: Agricultural Economics, volume 32, number 2, pages 195-210, 2005.
Ecoregional research in Africa: learning lessons from IITA's benchmark area approach, Douthwaite, B., Baker, D., Weise, S., Gockowski, J., Manyong, V. and Keatinge, J., in: Experimental Agriculture, volume 41, number 3, pages 271-298, ISSN 0014-4797, 2005.
The effect of memebrship-based rural organizations on household welfare in northern Nigeria, Adejobi, A. O., Kormawa, P., Manyong, V., Awotide, D. and Olayemi, J. K., in: Journal of Sustainable Development, volume 2, number 1, pages 2-12, 2005.
The impact of IITA-led biological control of major pests in sub-Saharan African agriculture: a synthesis of milestones and empirical results, Alene, A., Neuenschwander, P., Manyong, V., Coulibaly, O. and Hanna, R., Impact series, 2005.
Ecological and socio-economic factors affecting agricultural intensification in the West African savannas: evidence from northern Nigeria, Okike, I., Jabbar, M., Manyong, V. and Smith, J. W., in: Journal of Sustainable Agriculture, volume 27, number 2, pages 5-37, ISSN 1044-0046, 2005.
Adoption of improved cowpea varieties in northern Nigeria: a discourse of the social processes involved, Tipilda, A., Manyong, V., Alene, A. and Singh, B., in: Comparative Social Science Congress on Technology and Risk: Social Assessment. July, Oslo, Norway : proceedings, 2005.
Food consumption pattern and household food insecurity in two communities in Ibadan, Oyo State. Nigeria, Sanusi, R., Manyong, V., Akinyele, I., Bamire, A. S.* and Oginni, A., in: European Journal of Scientific Research, volume 7, number 5, pages 74-84, 2005.
Factors affecting the adoption of agroforestry practices by farmers in Cameroon, Nkamleu, G. B. and Manyong, V., in: Smallscale Forest Economics, Management and Policy, volume 4, number 2, pages 135-148, 2005.
Agriculture in Nigeria: identifying opportunities for increased commercialization and investment, Manyong, V., Ikpi, A., Olayemi, J. K., Yusuf, S. A., Omonona, B. T., Okoruwa, V.* and Idachaba, F.S.*, International Institute of Tropical Agriculture (IITA), 2005.
2004
The ability to fix N is not the only key to delivery of the benefits of BNF to farmers: experience of IITA in the savannas of Africa, Carsky, R., Sanginga, P., Schulz, S., Douthwaite, B., Manyong, V., Diels, J ., Vanlauwe, B. and Keatinge, J., pages 145-161, Science, 2004.
Factors affecting farm-specific production efficiency in the savanna zones of West Africa, Okike, I., Jabbar, M., Manyong, V., Smith, J. and Ehiu, S., in: Journal of African Economies, volume 13, number 1, pages 134-165, 2004.
Classification and description of major farming systems incorporating ruminant livestock in West Africa, Fernandez-Rivera, F., Okike, I., Manyong, V., Williams, T. O., Kruska, R. and Tarawali, S., in: Sustainable crop-livestock production for improved livelihoods and natural resource management in West Africa: proceedings of an international conference held at IITA, 19-22 November 2001, Ibadan, Nigeria, pages 87-122, ILRI; CTA, Nairobi, Kenya; Wageningen, The Netherlands, 2004.
Balanced nutrient management system technologies in the northern Guinea savanna of Nigeria: validation, adaptation, and perspective, Kolawole, G., Diels, J ., Manyong, V., Wallays, K., Dercon, G., Iwuafor, E.*, Falaki, A, Merckx, R . and Deckers, J., in: International Symposium of the African Network for Soil Biology and Fertility (AFNET) of TSBF Institute of CIAT, May 2004 at Yaounde, Cameroon, 2004.
Ex-ante cost-benefit analysis of cassava roots in Nigeria, Bamire, A. S.*, Manyong, V., Sanusi, I. and Awotide, D., in: Book of Abstracts of the 9th Symposium of the International Society of Tropical Root Crops-Africa Branch (ISTRC-AB), 31 October-5 November 2004, Mombasa, Kenya, 2004.
Factors affecting adoption of agroforestry practices by farmers in Cameroon, West Africa, Nkamleu, G. B. and Manyong, V., in: Book of Abstracts of the first World Congress of Agroforestry, 27 June -2 July 2004, Orlando, Florida, USA, 2004.
Ex-ante evaluation of nutrition and health benefits of biofortified cassava roots in nigeria: the dalys approach, Manyong, V., Bamire, A. S.*, Sanusi, I. and Awotide, D., 2004.
Ex-ante evaluation of nutrition and health benefits of biofortified cassava roots in Nigeria: the DALYs approach, Manyong, V., Bamire, A. S.*, Sanusi, I. and Awotide, D., in: Book of Program, Abstracts, and Participants of the African Association of Agricultural scientists, 6-8 December 2004, Nairobi, Kenya., 2004.
Agriculture in Nigeria: identifying opportunities for increased commercialization and investment: summary report, Manyong, V., Ikpi, A.* and Olayemi, J. K.*, 2004.
2003
Cassava: from poor farmer's crop to pacesetter of African rural development, Dixon, A., Bandyopadhyay, R., Coyne, D., Ferguson, M., Ferris, R. S. B., Hanna, R., Hughes, J., Ingelbrecht, I., Legg, J., Mahungu, N., Manyong, V., Mowbray, D., Neuenschwander, P., Whyte, J., Hartmann, P. and Ortiz, R., in: Chronica Horticulturae, volume 43, number 4, pages 8-15, ISSN 0578-039X, 2003.
An impact assessment of IITA's benchmark area approach, Douthwaite, B., Baker, D., Weise, S., Gockowski, J., Manyong, V. and Keatinge, J., Impact series, 2003.
Evaluating adoption to new crop-livestock-soil management technologies using georeferenced village-level data: the case of cowpea in the dry savannas of West Africa. Pages 169-180 in Natural resources management in African agriculture, Kristjanson, P., Okike, I., Tarawali, S., Kruska, R., Manyong, V. and Singh, B., 2003.
Blending "hard" and "soft" science: the "Follow-the-technology" approach to catalyzing and evaluating technology change, Douthwaite, B., De Haan, N., Manyong, V. and Keatinge, J., chapter 2, CABI Wallingford, UK; Center for International Forestry Research (CIFOR), 2003.
Challenges, opportunities and strategy for cassava subsector development in Nigeria, Ezedinma, C., Kormawa, P., Manyong, V. and Dixon, A., in: Paper presented at: 13th Symposium of the International Society of Tropical Root Crops (ISTRC); 10-14 November, International Conference Center, Arusha, Tanzania., 2003.
Alley cropping in Nigeria: farmer adaptation and determinants, Chianu, J., Adesina, A., Manyong, V. and Kormawa, P., in: African Crop Science Society Conference Proceedings, pages 1053-1061, African Crop Science Society, 2003.
Amélioration de la gestion des sols par l'introduction de légumineuses dans les systèmes céréaliers des savannes africaines, Carsky, R., Douthwaite, B., Manyong, V., Sanginga, N.+, Schulz, S., Vanlauwe, B., Diels, J . and Keatinge, J., in: Cahiers Agricultures, volume 12, pages 227-233, ISSN 1166-7699, 2003.
Alternatives to mucuna for soil fertility management in southern Bénin: farmer perception and use of traditional and exotic grain legumes, Schulz, S., Carsky, R., Manyong, V. and Oyewole, B., in: Experimental Agriculture, volume 39, pages 267-278, ISSN 0014-4797, 2003. [DOI]
An approach to rapid deployment of agricultural technologies: transfer of downy mildew resistant maize to farmers in Ogbomoso, southwest Nigeria, Ajala, S., Manyong, V., Adenle, V., Makinde, K., Akintunde, A., Olufowote, J. O.*, Bolaji, M. and Bolaji, B., in: Maize revolution in West And Central Africa: proceedings of a Regional Maize Workshop, 14-18 May, 2001, IITA-Cotonou, Bénin Republic, pages 499-519, WECAMAN; International Institute of Tropical Agriculture (IITA), 2003.
Economics of maintaining and enhancing the natural resource base through the adoption of stabilized short-fallow systems, Ogungbile, A. and Manyong, V., International Institute of Tropical Agriculture (IITA); Food and Agriculture Organisation (FAO), 2003.
Using implications from household food demand analysis for agriculture and food policy formulations: an example for the cereal sub-sector in Nigeria, Kormawa, P., Manyong, V. and Chianu, J., in: Paper presented at: African Crop Science Conference Proceedings, Uganda, 2003.
Socioeconomic determinants of farm household expenditure in Bauchi, Nigeria, Makinde, K., Manyong, V. and Olayemi, J. K.*, in: Paper presented at: African Crop Science Society Conference Proceedings, ACSS, Kampala, Uganda, 2003.
Reducing speargrass (Imperata cylindrica) with conservation agriculture involving farmers in research to reduce labor and herbicide use and to conserve yields, Nielsen, O., Manyong, V., Ellis-Jones, J., Streibig, J. and Chikoye, D., in: Paper presented at: 6th Biennial Conference of the African Crop Science Society; 12-17 October, Nairobi, Kenya, 2003.
Profitability of intensification technologies among smallholder maize farmers in the forest-savanna transition zone of Nigeria, Bamire, A. S.* and Manyong, V., in: Agriculture, Ecosystems and Environment, volume 100, number 2-3, pages 111-118, ISSN 0167-8809, 2003.
Factors affecting the adoption of agricultural technologies within yam-based production systems: prospects for the diffusion of improved yam varieties in Nigeria, Amegbeto, N. K., Manyong, V., Coulibaly, O. and Asiedu, R., in: Root crops: the small processor and development of local food industries for market economy: proceeding of the Eighth Triennial Syposium of the International Society for Tropical Root Crops - Africa Branch (ISTRC-AB), 12-16 November 2001, Ibadan, Nigeria, pages 68-75, 2003.
The impact of IARC genetic improvement programmes on cassava, Johnson, N., Manyong, V. and Pachico, D., pages 337-355, CABI, 2003.
Determinants of market value for fresh yam tubers in two consumption centres in Togo, Amegbeto, N. K., Manyong, V., Coulibaly, O. and Asiedu, R., in: Paper presented at the International Workshop on Post-Harvest and consumption of yam: loss reduction and improvement of product quality for African markets; June 17-19 2003, Cotonou, 2003.
Impact of IITA germplasm improvement on maize production in West and Central Africa, Manyong, V., Kling, J., Makinde, K., Ajala, S. and Menkir, A., pages 159-181, chapter 8, CABI, ISBN 0-85199-549-7, 2003.
Economic gains from maize research in West and Central Africa: an overview, Manyong, V., Makinde, K. and Coulibaly, O., in: Maize revolution in West and Central Africa: proceedings of a regional maize workshop, 14-18 May 2001. Ibadan, Nigeria, pages 66-80, International Institute of Tropical Agriculture (IITA), 2003.
Constraint and opportunities of savanna systems for improved agricultural productivity and food security in West and Central Africa, Manyong, V. and Dixon, A., in: Paper presented at: Paper presented at the CORAF/IAC Consultation Workshop on Science and Technology Strategies for Improving Agricultural Productivity and Food Security in West and Central Africa, 10-12 February, Dakar, Senegal, 2003.
Globalization and liberalization: an opportunity or a threat to African agriculture?, Manyong, V., in: Paper presented at the Workshop on Regions in Globalization, 25-27 October 2002, Kyoto University, Kyoto, Japan, 2003.
Economic research at IITA for the improvement of agriculture in the subhumid and humid zones of West Africa, Manyong, V., in: Economic Analyses of Agricultural technologies and rural institutions in West Africa: achievements, challenges, and application to rice farming research. Proceedings of the JIRCAS International Workshop, 12-13 July 2001, JIRCAS, Tsukuba, Japan, 2003.
Resource use efficiency among smallholders in southwestern Nigeria, Manyong, V., Bamire, A. S.* and Zuckerman, P., in: Paper presented at: 6th Biennial Conference of the African Crop Science Society; 12-17 October, Narobi, kenya, 2003.
Rural household demand for roots and tubers in southwestern Nigeria: an almost ideal demand system analysis, Manyong, V., Bamire, M. and Zuckerman, P., in: Paper presented at: 13th Symposium of the International Society of Tropical Rppt Crops (ISTRC); 10-14 November, International Conference Center, Arusha, Tanzania, 2003.
2002
Cowpea as a key factor for a new approach to integrated crop-livestock systems research in the dry savannas of West Africa, Tarawali, S., Singh, B., Gupta, S., Tabo, R., Harris, F., Nokoe, S., Fernandez-Rivera, S., Bationo, A., Manyong, V., Makinde, K. and Odion, E., pages 233-251, 2002.
An evaluation of potential adoption and diffusion of improved cowpea in the dry savannas of Nigeria: a combination of participatory and structured approaches, Okike, I., Kristjanson, P., Tarawali, S., Singh, B., Kruska, R. and Manyong, V., pages 387-406, 2002.
Evaluating adoption to new crop-livestock-soil management technologies using georeferenced village-level data: the case of cowpea in the dry savannas of West Africa, Kristjanson, P., Okike, I., Tarawali, S., Kruska, R., Manyong, V. and Singh, B., pages 169-180, CABI, 2002.
Adoption pattern of fertiliser technology among farmers in the ecological zones of southwestern Nigeria: a Tobit analysis, Bamire, A. S., Fabiyi, Y. and Manyong, V., in: Australian Journal of Agricultural Research, volume 53, pages 901-910, ISSN 0004-9409, 2002.
Cowpea demand and supply patterns in West Africa: the case of Nigeria, Kormawa, P., Manyong, V. and Chianu, J., pages 376-386, 2002.
Using implications from household food demand analysis for agriculture and food policy formulations: an example for the cereal subsector in Nigeria, Kormawa, P., Manyong, V. and Chianu, J., in: Paper presented, Lagos, Nigeria, 2002.
The adoption of alley farming and Mucuna: lesson for research, development, and extension, Douthwaite, B., Manyong, V., Keatinge, J. and Chianu, J., in: Agroforestry Systems, volume 56, pages 193-202, 2002.
Response of speargrass (Imperata cylindrica) to cover crops integrated with handweeding and chemical control in maize and cassava, Chikoye, D., Manyong, V., Carsky, R., Ekeleme, F., Gbehounou, G. and Ahanchede, A.*, in: Crop Protection, volume 21, pages 145-156, ISSN 0261-2194, 2002.
Agricultural transformation and fertilizer use in the cereal-based systems of the northern Guinea savanna, Manyong, V., Makinde, K. and Ogungbile, A., Wallingford, UK: CABI; International Institute of Tropical Agriculture (IITA), 2002.
Farmers' assessment of effectiveness of a Striga poster in reducing the Striga risk, Manyong, V., Makinde, K., Cardwell, K., Berner, D. K., Carsky, R., Dashiell, K., Kling, J. and Lagoke, S.*, in: Proceedings, Bamako, Mali, 2002.
2001
IITA's Benchmark Area Approach: putting INRM into practice, Douthwaite, B., Weise, S., Gockowski, J., Keatinge, J., Manyong, V. and Baker, D., in: Paper presented at: INRM Workshop, Cali, Colombia 28-31 August, 2001.
Economic Impact assessment of classical biological control of cassava green mite in West Africa: an economics surplus mode, Coulibaly, O., Hanna, R., Yaninek, J. and Manyong, V., pages 4, International Society of Tropical Toot Crops (ISTRC) - Africa Branch; International Institute of Tropical Agriculture (IITA), 2001.
Sustaining soil fertility in West Africa in the face of rapidly increasing pressure for agricultural intensification, Keatinge, J., Breman, H., Manyong, V., Vanlauwe, B. and Wendt, J ., pages 1-22, Madison, WI USA: Soil Science of America (SSA); American Society of Agronomy, 2001.
Agricultural intensification and efficiency in the west African savannas: evidence from northern Nigeria, Okike, I., Jabbar, M., Manyong, V., Smith, J., Akinkunmi, J. and Ehiu, S., Socio-economic and Policy Research Working Paper 33, International Livestock Research Institute (ILRI), ISBN 92-9146-096-6, 2001.
Nutrient balance model for design of sustainable yam cropping systems, Carsky, R., Wolo, N., Manyong, V. and Tian, G., pages 198-209, International Society for Tropical Root Crops (ISTRC) - Africa Branch; Government of Benin, 2001.
Blending 'hard' and 'soft' science: the 'Follow the Technology" approach to analyzing and evaluating technology change. http://www.consecol.org/Journal/vol5/iss2/art13/index.html, Douthwaite, B., De Haan, N., Manyong, V. and Keatinge, J., in: Conservation Ecology, volume 5, number 2, pages 13, 2001.
Farmers' perceptions and economic advantages of the hot-water therapy for disinfecting seed yams against nematodes in Nigeria, Amegbeto, N. K., Manyong, V., Coulibaly, O. and Asiedu, R., in: Proceedings of the African Crop Science Conference, 22-26 October 2001, Lagos, Nigeria, pages 817-823, African Crop Science Society, 2001.
The dynamics of the root and tuber cropping systems in the middle belt of Nigeria, Olaniyan, G., Manyong, V. and Oyewole, B., pages 75-82, International Soceity for Tropical Root Crops (ISTRC) - Africa Branch; Government of Benin, 2001.
An approach to rapid deployment of agricultural technologes: the case of downy mildew resistant maize in Ogbomoso, southwest Nigeria, Ajala, S., Manyong, V., Adenle, V., Makinde, K., Akintunde, A., Olufowote, J. O.*, Bolaji, M. and Bolaji, B., pages 75, International Institute of Tropical Agriculture, 2001.
Fertilizer use and definition of farmer domains for impact-oriented research in the northern Guinea savanna of Nigeria, Manyong, V., Makinde, K., Sanginga, N., Vanlauwe, B. and Diels, J ., in: Nutrient Cycling in Agroecosystems, volume 59, number 2, pages 129-141, ISSN 1385-1314, 2001. [DOI]
Farmers' perceptions of, and actions on resource management constraints in the yam-based systems of western Nigeria, Manyong, V., Asiedu, R. and Olaniyan, G. O., pages 156-167, Government of Benin, 2001.
2000
Recent developments in soil fertility management of maize-based systems: the role of legumes in N and P nutrition of maize in the moist savanna zone of West Africa, Vanlauwe, B., Aihou, K., Iwuafor, E., Houngnandan, P.*, Diels, J ., Manyong, V. and Sanginga, P., in: Cover crops for natural resource management in West Africa = Plantes de couverture et gestion des ressources naturelles en Afrique occidentale: proceedings of a workshop organized by IITA and CIEPCA, Cotonou, Benin, 26-29 October 1999. Ibadan, Nigeria, pages 3-13, International Institute of Tropical agriculture (IITA), 2000.
Cover crops for natural resource management in West Africa=Plantes de couverture et gestion des ressources naturelles en Afrique occidentale: proceedings of a workshop organized by IITA and CIEPCA, Cotonou, Benin, 26-29 October 1999, Carsky, R., Eteka, A., Keatinge, J. and Manyong, V., International Institute of Tropical Agriculture (IITA), 2000.
Economic analysis of crop-livestock integration in the northern Guinea savannah of Nigeria, Ndubuisi, A., Zeddies, J., Manyong, V. and Smith, J., in: Der Tropenland, Beitrage zur tropischen Landwirtschaft und Veterinarmedizin, volume 101, pages 69-83, 2000.
Partial budget analysis for on-farm research, Alimi, T. and Manyong, V., IITA research guide, No. 65, International Institute of Tropical Agriculture (IITA), ISBN 978-131-043-X, 2000.
Impact of IITA-improved germplasm on maize production in west and central Africa, Manyong, V., Kling, J., Makinde, K., Ajala, S. and Menkir, A., Impact series, 2000.
The contribution of IITA-improved cassava to food security in sub-Saharan Africa: an impact study, Manyong, V., Dixon, A., Makinde, K., Bokanga, M. and Whyte, J., Impact series, 2000.
Economic evaluation of systems intercropping food crops with leguminous cover crops in the derived savanna of Nigeria, Manyong, V., Tian, G., Makinde, K. and Kolawole, G., in: Cover crops for natural resource management in West Africa = Plantes de couverture et gestion des ressources naturelles en Afrique occidentale: proceedings of a workshop organized by IITA and CIEPCA, Cotonou, Benin, 26-29 October 1999. Ibadan, Nigeria, pages 95-106, 2000.
Characteristics of speargrass (Imperata cylindrica) dominated fields in West Africa: crops, soil properties, farmer perceptions and management strategies, Manyong, V., Ekeleme, F. and Chikoye, D., in: Crop Protection, volume 19, number 7, pages 481-487, ISSN 0261-2194, 2000. [DOI]
1999
Adoption and impact of dry-season dual-purpose cowpea in the semiarid zone of Nigeria, Inaizumi, H., Singh, B., Sanginga, P., Manyong, V., Adesina, A. and Tarawali, S., Impact series, International Institute of Tropical Agriculture (IITA), ISBN 978 131 171 1, 1999.
Policy shifts and adoption of alley farming in West and Central Africa, Adesina, A., Coulibaly, O., Manyong, V., Sanginga, N., Mbila, D., Chianu, J. and Kamleu, D. G., Impact series, International Institute of Tropical Agriculture (IITA), ISBN 978 131 170 3, 1999.
Social impact of soybean in Nigeria's southern Guinea savanna, Sanginga, P., Adesina, A., Manyong, V., Otite, O.* and Dashiell, K., Impact series, International Institute of Tropical Agriculture (IITA), ISBN 978 131 168 1, 1999.
Adoption of improved fallows in West Africa: lessons from Mucuna and Stylo case studies, Tarawali, G., Manyong, V., Carsky, R., Vissoh, P. V., Osei-Bonsu, P. and Galiba, M., in: Agroforestry Systems, volume 47, number 1-3, pages 93-122, ISSN 0167-4366, 1999.
Mucuna fallow diffusion in southern Benin, Manyong, V., Houndekon, V. A., Sanginga, P., Vissoh, P. V. and Honlonkou, A. N., Impact series, International Institute of Tropical Agriculture (IITA), ISBN 978 131 177 0, 1999.
Macrocharacterization of agricultural systems in West Africa; an overview: RCMP Research monograph, No. 21, Manyong, V., Smith, J., Weber, G., Jagtap, S. and Oyewole, B., RCMP Research monograph, No. 21, International Institute of Tropical Agriculture (IITA), 1999.
Farmers� perceptions and the dynamics of adoption of a resource management technology: the case of Mucuna fallow in southern Benin, West Africa, Manyong, V. and Tchetche, N'G., in: International Forestry Review, volume 1, pages 228-235, 1999.
1998
Collaboration to increase the use of Mucuna in production systems in Benin, Versteeg, M., Amadji, F., Eteka, A., Houndekon, V. A. and Manyong, V., pages 33-43, chapter 2, International Development Research Centre (IDRC), ISBN 0-88936-852-X, 1998.
Crop�livestock integration along the gradient of resource-use intensification in the northern Guinea savanna of Nigeria, Ndubuisi, A., Zeddies, J., Manyong, V. and Smith, J., in: Quarterly Journal of International Agriculture, volume 37, pages 105-115, 1998.
Experiences with Mucuna in West Africa, Vissoh, P. V., Manyong, V., Carsky, R., Osei-Bonsu, P. and Galiba, M., pages 1-32, chapter 1, International Development Research Centre (IDRC), ISBN 0-88936-852-X, 1998.
Determinants de l'adoption du Mucuna dans le departement du Mono au Benin, Houndekon, V. A., Manyong, V., Gogan, C. A. and Versteeg, M., pages 45-53, chapter 3, International Development Research Centre (IDRC), ISBN 0-88936-852-X, 1998.
Spread of new soybean varieties in a traditional soybean growing area of Nigeria, Manyong, V., Dashiell, K., Oyewole, B. and Blahut, G., in: Towards sustainable farming systems in sub-Saharan Africa: proceedings of the second international symposium of the African Association of Farming Systems Research, Extension and Training (AAFSRET), Ouagadougou, Burkina Faso, 21�23 August 1996, pages 151-162, AAFSRET, 1998.
1997
Fostering sustainable increases in maize productivity in Nigeria, Smith, J., Weber, G., Manyong, V. and Fakorede, M., pages 107-124, Lynne Rienner Publishers, 1997.
Measurement of the sustainability of African smallholder farming systems: case study of a systems approach*, Manyong, V. and Degand, J., in: IITA Research, number 14/15, pages 1-6, ISSN 1115-3067, 1997.
Geographic definition of risk for maize production in West Africa: A socio-economic perspective, Manyong, V. and Oyewole, B., pages 130-134, CIMMYT, 1997.
Spatial patterns of biological constraints to cassava and yam production in West and Central Africa: Implications for technology development and transfer, Manyong, V. and Oyewole, B., in: African Journal of Root and Tuber Crops, volume 3, pages 15-21, 1997.
1996
A land management based approach to integrated Striga hermonthica control in sub-Saharan Africa, Berner, D. K., Carsky, R., Dashiell, K., Kling, J. and Manyong, V., in: Outlook on Agriculture, volume 25, number 3, pages 157-164, ISSN 0030-7270, 1996.
System dynamics and the defintion of research domains for the northern Guinea Savanna of West Africa, Weber, G., Smith, J. and Manyong, V., in: Agriculture, Ecosystems and Environment, volume 57, pages 133-148, 1996.
Strategies for sustainable exploitation of the moist savanna zone of West Africa, Carsky, R., Tian, G. and Manyong, V., in: Biodiversity and sustainable production of food and fibers on the tropical savannas: proceedings, 1st International Symposium on Tropical Savannas, 24-29 March 1996, pages 495-498, EMBRAPA-CPAC, 1996.
New socioeconomic research on Striga at IITA, Manyong, V., number 6, 1996.
Determinants of adoption for a resource management technology: the case of Mucuna in Benin Republic, Manyong, V., Houndekon, V. A., Gogan, A., Versteeg, M. and van der Pol, F., pages I-86-I-93, China Agricultural University, 1996.
Macrocharacterization of agricultural systems in Central Africa; an overview: RCMP Research monograph, No. 22, Manyong, V., Smith, J., Weber, S. S., Jagtap, S. and Oyewole, B., RCMP Research monograph, No. 22, International Institute of Tropical Agriculture (IITA), 1996.

International Institute of Tropical Agriculture (IITA)

www.iita.org

International Address: IITA, Carolyn House, 26 Dingwall Road, Croydon CR9 3EE, UK

2012
IITA's 2012 regional highlights: production team, IITA, , International Institute of Tropical Agriculture (IITA), ISBN 978-978-8444-19-0, 2012.
2011
R4D Review; 6, IITA, , International Institute of Tropical Agriculture (IITA), 2011.
Outcome and impact assessment at IITA: issues and evidence, Proceedings (Booklet), 2011.
2010
R4D Review; 4, IITA, , International Institute of Tropical Agriculture (IITA), 2010.
R4D Review; 5, IITA, , International Institute of Tropical Agriculture (IITA), 2010.
2009
R4D Review; 3, IITA, , International Institute of Tropical Agriculture (IITA), 2009.
2007
Advances in root and tuber crops technologies for sustainable food security, improved nutrition, wealth creation and conservation in Africa: proceedings of the 9th ISTRC-AB symposium, Mombasa, Kenya, 1-5 November, 2004, International Society for Tropical Root Crops - Africa Branch (ISTRC-AB), ISBN 978-99908-941-0-3, 2007.
2004
Scoping study: impact of sanitary and phytosanitary (SPS) issues on the safe trade in plant and animal products in the Economic Community of West African States (ECOWAS), International Institute of Tropical Agriculture (IITA), 2004.
2002
Genetically improved dualpurpose cowpea: assessment of adoption and impact in the dry savanna region of West Africa, International Institute of Tropical Agriculture (IITA), 2002.
1995
Moist savannas of Africa; potentials and constraints for crop production: proceedings of an IITA/FAO workshop held from 19-23 September 1994, Cotonou, Republic of Benin, IITA/FAO, , IITA/FAO, 1995.