Tofa, A.    

Firstname:A. 
Surname:Tofa 
Email:a.tofa@cgiar.org 
Institute:IITA 
Homepage:http://www.iita.org 
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42 publications (0 read)





Publications as Author



2025

Yield stability assessment under climate change using crop modelling frameworks V1, Mkuhlani, S., Corbeels, M ., Casemiro, M., Amani, K., Tofa, A., Chemura, A. and Saito, K., 2025.
 
Evaluation and application of the CROPGRO - Cowpea model for simulating appropriate sowing window and planting density of cowpea varieties across contrasting environments, Kamara, A., Solomon, R., Tofa, A., Garba, I. I.*, Eseigbe, O. B., Jibrin, J. M.*, Omoigui, L., Aliyu, K. T., Bebeley, J. F. and Peter-Jerome, H., in: Field Crops Research, volume 331, pages 1-14, ISSN 0378-4290, 2025. [DOI]
 
Modelling the potential impact of climate change on the productivity of soybean in the Nigeria Savannas, Bebeley, J. F., Tofa, A., Kamara, A., Jibrin, J. M., Solomon, R., Adeleke, M. A., Omoigui, L., Eseigbe, O. B., Peter-Jerome, H. and Ademulegun, T., in: PLoS ONE, volume 20, number 3: e0313786, pages 1-22, ISSN 1932-6203, 2025. [DOI]
 

2024

The impact of planting dates on the performance of soybean varieties [Glycine max (L.) Merr.] in the Nigerian Savannas, Eseigbe, O. B., Kamara, A., Miko, S.*, Omoigui, L., Solomon, R., Adeleke, M., Tofa, A. and Bebeley, J. F., in: Agronomy, volume 14, number 10: 2198, pages 1-18, ISSN 2073-4395, 2024. [DOI]
 
Matching cereal and legume crop varieties to production environments in Northeast Nigeria using Decision Support Tools (DST), Ajeigbe, H. A.+, Kamara, A., Akinseye, F. M., Silwal, P. K., Faleti, O., Tofa, A., Kamai, N., Bebeley, J. F. and Solomon, R., International Institute of Tropical Agriculture (IITA), ISBN 978-978-131-425-4, 2024.
 
Combined use of improved maize hybrids and nitrogen application increases grain yield of maize, under natural Striga hermonthica infestation, Solomon, R., Kamara, A., Aliyu, K. T., Ademulegun, T., Mohammed, I. B.*, Tofa, A., Omoigui, L. and Adeleke, M. A., in: Open Agriculture, volume 9, number -: 20220338, pages 1-11, ISSN 2391-9531, 2024. [DOI]
 
Assessing the effects of plant density and nitrogen on millet yield in Southern Niger using the CERES-millet model, Garba, M., Kamara, A., Mohamed, F. S., Tofa, A., Mahamane, S.*, Salissou, H., Kapran, B. I., Abdoulaye, T. and Garba, I. I., in: CABI Agriculture and Bioscience, volume 5, number -: 50, pages 1-16, ISSN 2662-4044, 2024. [DOI]
 
Effect of combined use of supplementary irrigation, manure and P fertilization on grain yield and profitability of soybean in northern Nigeria, Bebeley, J. F., Kamara, A., Jibrin, J. M.*, Tofa, A., Solomon, R. and Kamai, N., in: Heliyon, volume 10, number 7: e28749, pages 1-11, ISSN 2405-8440, 2024. [DOI]
 
Spatial and temporal distribution of optimal maize sowing dates in Nigeria, Mkuhlani, S., Bendito, E., Tofa, A., Aliyu, K. T., Shehu, B. M.*, Kreye, C. and Chemura, A., in: PLoS ONE, volume 19, number 5: e0300427, pages 1-16, ISSN 1932-6203, 2024. [DOI]
 
Assessment of climate change impact and adaptation strategy for millet in the Sudano-Sahelian region of Niger, Tofa, A., Kamara, A., Mohamed, A. M. L., Garba, M., Souley, A. M.*, Salissou, H., Kapran, B. I. and Abdoulaye, T., in: Regional Environmental Change, volume 24, number -: 151, pages 1-15, ISSN 1436-3798, 2024. [DOI]
 

2023

Establishing optimal planting windows for contrasting sorghum cultivars across diverse agro-ecologies of north-eastern Nigeria: a modelling approach, Akinseye, F. M., Ajeigbe, H. A.+, Kamara, A., Omotayo, A. O., Tofa, A. and Whitbread, A. M., in: Agronomy, volume 13, number 3: 727, pages 1-24, ISSN 2073-4395, 2023. [DOI]
 
Breeding cowpea for adaptation to intercropping for sustainable intensification in the Guinea Savannas of Nigeria, Omoigui, L., Kamara, A., Shaibu, A. S.*, Aliyu, K. T., Tofa, A., Solomon, R. and Olasan, O. J.*, in: Agronomy, volume 13, number 6: 1451, pages 1-12, ISSN 2073-4395, 2023. [DOI]
 
Growing rice in Northern Nigeria: a farmers guide; flyer, Kamara, A., Omoigui, L., Aliyu, K. T., Tofa, A., Solomon, R., Kmata, A. H. and Atser, G ., 2023.
 
Growing maize in Northwestern Nigeria: a farmers guide; flyer, Kamara, A., Omoigui, L., Aliyu, K. T., Tofa, A., Solomon, R., Kmata, A. H. and Atser, G ., 2023.
 
Simulating potential yield of rainfed soybean in northeast Nigeria, Kamara, A., Bebeley, J. F., Aliyu, K. T., Tofa, A., Omoigui, L., Solomon, R. and Akinseye, F. M., in: European Journal of Agronomy, volume 142, number -: 126683, pages 1-16, ISSN 1161-0301, 2023. [DOI]
 
Assessment of the impact of crop management strategies on the yield of early-maturing maize varieties in the drylands of Niger Republic: Application of the DSSAT-CERES-Maize model, Kamara, A., Garba, M., Tofa, A., Mohamed, A. M. L., Souley, A. M.*, Abdoulaye, T. and Kapran, B. I., in: Heliyon, volume 9, number -: e17829, pages 1-23, ISSN 2405-8440, 2023. [DOI]
 
Tool for optimum planting window selection NG-Akilimo-SAA: manual for executing and managing the decision support tool for variety selection and planting window recommendation, Bendito, E., Peter, H., Tofa, A., Tijjani, K., Kamara, A. and Kreye, C., International Institute of Tropical Agriculture, 2023.
 
Optimum maize planting window and season length for climate adaptation in Kano, Nigeria, Tofa, A., Bendito, E., Mkuhlani, S., Aliyu, K. T., Shehu, B. M.* and Kreye, C., World Climate Research Programme, 2023.
 
Evaluating the use of nitrogen and phosphorous fertilization as crop management options for maize adaptation to climate change in the Nigeria savannas, Tofa, A., Kamara, A., Babaji, B. A.*, Adnan, A. A.*, Ademulegun, T. and Bebeley, J. F., in: Environmental Research Communications, volume 5, number 5: 055001, pages 1-17, ISSN 2515-7620, 2023. [DOI]
 

2022

Growing soybean in Kano state, northwestern Nigeria, Omoigui, L., Kamara, A., Aliyu, K. T., Solomon, R., Tofa, A. and Raba, A.*, Booklet, 2022.
 
Growing cowpea in Kano state, northwestern Nigeria, Omoigui, L., Kamara, A., Aliyu, K. T., Solomon, R., Tofa, A. and Raba, A.*, Booklet, 2022.
 
Evaluation and application of the CROPGRO-soybean model for determining optimum sowing windows of soybean in the Nigeria savannas, Bebeley, J. F., Kamara, A., Jibrin, J. M.*, Akinseye, F. M., Tofa, A., Adam, A. M.*, Kamai, N. and Solomon, R., in: Scientific Reports, volume 12, number -: 6747, pages 1-15, ISSN 2045-2322, 2022. [DOI]
 
Growing maize in Kano state, northwestern Nigeria, Kamara, A., Omoigui, L., Aliyu, K. T., Tofa, A., Miko, S.*, Solomon, R., Kmata, A. H. and Raba, A.*, Booklet, 2022.
 
Growing rice in Kano State, northwestern, Nigeria, Kamara, A., Omoigui, L., Aliyu, K. T., Tofa, A., Miko, S.*, Solomon, R., Kmata, A. H. and Raba, A.*, Booklet, 2022.
 
Maize yield as affected by the interaction of fertilizer nitrogen and phosphorus in the Guinea savanna of Nigeria, Tofa, A., Kamara, A., Babaji, B. A.*, Aliyu, K. T., Ademulegun, T. and Bebeley, J. F., in: Heliyon, volume 8, number 11: e11587, pages 1-9, ISSN 2405-8440, 2022. [DOI]
 

2021

Simulating the response of drought-tolerant maize varieties to nitrogen application in contrasting environments in the Nigeria Savannas using the APSIM Model, Beah, A., Kamara, A., Jibrin, J. M.*, Akinseye, F. M., Tofa, A. and Adam, A. M.*, in: Agronomy, volume 11, number 1: 76, pages 1-22, ISSN 2073-4395, 2021. [DOI]
 
Simulation of the optimum planting windows for early and intermediate-maturing maize varieties in the Nigerian Savannas using the APSIM model, Beah, A., Kamara, A., Jibrin, J. M.*, Akinseye, F. M., Tofa, A. and Ademulegun, T., in: Frontiers in Sustainable Food Systems, volume 5, number -: 624886, pages 1-18, ISSN 2571-581X, 2021. [DOI]
 
Assessing the use of a drought-tolerant variety as adaptation strategy for maize production under climate change in the savannas of Nigeria, Tofa, A., Kamara, A., Babaji, B. A.*, Akinseye, F. M. and Bebeley, J. F., in: Scientific Reports, volume 11, number : 8983, pages 1-16, ISSN 2045-2322, 2021. [DOI]
 

2020

Seed dressing maize with imazapyr to control Striga hermonthica in farmers' fields in the savannas of Nigeria, Kamara, A., Menkir, A., Chikoye, D., Solomon, R., Tofa, A. and Omoigui, L., in: Agriculture, volume 10, number -: 83, pages 1-9, ISSN 2077-0472, 2020. [DOI]
 
Maize hybrids response to high plant density in the Guinea savannah of Nigeria, Kamara, A., Menkir, A., Abubakar, A. W., Tofa, A., Ademulegun, T., Omoigui, L. and Kamai, N., in: Journal of Crop Improvement, pages 1-20, ISSN 1542-7528, 2020. [DOI]
 
Mitigating Striga hermonthica parasitism and damage in maize using soybean rotation, nitrogen application, and Striga-resistant varieties in the Nigerian savannas, Kamara, A., Menkir, A., Chikoye, D., Tofa, A., Fagge, A.*, Dahiru, R.*, Solomon, R., Ademulegun, T., Omoigui, L., Aliyu, K. T. and Kamai, N., in: Experimental Agriculture, volume 56, number 4, pages 620-632, ISSN 0014-4797, 2020. [DOI]
 
Modeling planting-date effects on intermediate-maturing maize in contrasting environments in the Nigerian savanna: an application of DSSAT model, Tofa, A., Chiezey, U. F.*, Babaji, B. A.*, Kamara, A., Adnan, A. A.*, Beah, A.* and Adam, A. M.*, in: Agronomy, volume 10, number -: 871, pages 1-19, ISSN 2073-4395, 2020. [DOI]
 

2019

Physiological evaluations of maize hybrids under low nitrogen, Abubakar, A. W.*, Manga, A. A.*, Kamara, A. and Tofa, A., in: Advances in Agriculture, volume 2019, pages 1-6, ISSN 2356-654X, 2019. [DOI]
 
Yield, N uptake and N utilization of early maturing, drought and striga-tolerant maize varieties under low N conditions, Kamara, A., Ewansiha, S. U.* and Tofa, A., in: Communications in Soil Science and Plant Analysis, pages 1-15, ISSN 0010-3624, 2019. [DOI]
 

2017

Agronomic evaluation of cowpea cultivars developed for the west African Savannas, Kamara, A., Ewansiha, S. U.*, Ajeigbe, H. A.+, Omoigui, L., Tofa, A. and Karim, K. Y.*, in: Legume Research, volume 40, number 4, pages 669-676, ISSN 0250-5371, 2017. [DOI]
 
Maize-soybean intercropping for sustainable intensification of cereal-legume cropping systems in northern Nigeria, Kamara, A., Tofa, A., Ademulegun, T., Solomon, R., Shehu, H.*, Kamai, N. and Omoigui, L., in: Experimental Agriculture, pages 1-15, ISSN 0014-4797, 2017. [DOI]
 

2016

Effects of plant density on the performance of cowpea in Nigerian Savannas, Kamara, A., Tofa, A., Boahen, S., Solomon, R., Ajeigbe, H. A.+ and Kamai, N., in: Experimental Agriculture, pages 1-13, ISSN 0014-4797, 2016. [DOI]
 

2014

Assessment of level, extent and factors influencing Striga infestation of cereals and cowpea in a Sudan Savanna ecology of northern Nigeria, Kamara, A., Ekeleme, F., Jibrin, J. M.*, Tarawali, G. and Tofa, A., in: Agriculture, Ecosystems and Environment, volume 188, pages 111-121, ISSN 0167-8809, 2014. [DOI]
 
Agronomic Response of Soybean Varieties to Plant Population in the Guinea Savannas of Nigeria, Kamara, A., Ewansiha, S. U.*, Boahen, S. and Tofa, A., in: Agronomy Journal, volume 106, number 3, pages 1051-1059, ISSN 0002-1962, 2014. [DOI]
 

2013

Assessment of the level, extent, and factors influencing Striga infestation of cereal and cowpea fields in the Sudan Savanna Zone of Northern Nigeria, Kamara, A., Ekeleme, F.*, Jibrin, J. M.* and Tofa, A., International Parasitic Plant Society (IPPS), 2013.
 
Assessment of the level and extent of Striga infestation of cereal and cowpea fields in a dry savanna ecology of Northern Nigeria (ABSTRACT), Kamara, A., Ekeleme, F.*, Jibrin, J. M.* and Tofa, A., Abstract, P.61 in Programme and Abstracts, 12th World Congress on Parasitic Plants 15th - 20th July, Sheffield, United Kingdom, 2013.
 
Soybean varietal response to plant population in the Guinea Savannas of Nigeria, Kamara, A., Ewansiha, S. U.* and Tofa, A., African Crop Science Society (ACSS), 2013.