Ezumah, H. C.    

Firstname:H. C. 
Surname:Ezumah 
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Institute:IITA 
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Publications as Author



1997

Response of cassava and maize to fertilizer application, and a comparison of the factors affecting their growth during intercropping, Olasantan, F. O.*, Ezumah, H. C. and Lucas, E. O.*, in: Nutrient Cycling in Agroecosystems, volume 46, pages 215-223, ISSN 1385-1314, 1997.
 

1996

Effects of intercropping with maize on the micro-environment, growth and yield of cassava, Olasantan, S. O., Ezumah, H. C. and Lucas, E. O.*, in: Agriculture, Ecosystems and Environment, volume 57, number 2-3, pages 149-158, 1996.
 

1994

Response of yam (Dioscorea rotundata Poir.) to various periods of weed interference in an intercropping with maize (Zea mays L.), okra (Abelmoschus esculentus L. Moench), and sweet potato (Ipomoea batatas L. Lam), Orkwor, G. C., Okereke, O. U., Ezedinma, C., Hahn, S. K., Ezumah, H. C. and Akobundu, I., in: Acta Horticulturae, volume 380, pages 349-354, ISSN 0567-7572, 1994.
 
Effects of intercropping and fertilizer application on weed control and performance of cassava and maize, Olasantan, F. O.*, Lucas, E. O.* and Ezumah, H. C., in: Field Crops Research, volume 39, number 2-3, pages 63-69, ISSN 0378-4290, 1994.
 
Intercrop yields of cassava and rice as influenced by cassava variety and population, Dahniya, M. T., Jalloh, A.* and Ezumah, H. C., in: Tropical root crops in developing economy: proceedings of the 9th Symposium of the Internationl Society fo Tropical Root Crops, 20-26 October 1991, Accra, Ghana, pages 194-199, ISTRC; Government of Ghana; International Institute of Tropical Agriculture (IITA), 1994.
 
Productivity of cassava intercrop as influenced by cassava variety and time of introducingrice into cassava, Jalloh, A.*, Dahniya, M. T. and Ezumah, H. C., in: Tropical root crops in a developing economy: proccedings of the 9th Symposium of the International Society for Tropical Root Crops, 20-26 October 1991, Accra, Ghana, pages 200-204, ISTRC; Government of Ghana; International Institute of Tropical Agriculture (IITA), 1994.
 
Changes in surface soil properties of a no-tilled tropical Alfisol due to intercropping maize, cassava and egusi melon, Hulugalle, N., Ezumah, H. C. and Leyman, T., in: Field Crops Research, volume 36, pages 191-200, 1994.
 

1993

Cassava-based intercropping: a review, Mutsaers, H. J. W., Ezumah, H. C. and Osiru, D.*, in: Field Crops Research, volume 34, number 3-4, pages 431-457, ISSN 0378-4290, 1993.
 
Tillage systems for oot and tuber crops in the tropics, Howeler, R. H., Ezumah, H. C. and Midmore, D. J., in: Soil and Tillage Research, volume 27, number 1-4, pages 211-240, 1993.
 

1992

Mixed root-crop systems in wet sub-Saharan Africa, Juo, A. S. R. and Ezumah, H. C., pages 243-258, Elsevier, 1992.
 
Importance and sustainability of root crops-based systems in sub-Saharan Africa, Ezumah, H. C., Lawson, T. L., Federer, W. T. and Awa, N. E., in: Journal of the West African Farming Systems Research Network, volume 2, number 1, pages 15-30, 1992.
 

1991

Effect of cassava-based cropping systems on physicochemical properties of soil and earthworm casts in a tropical Alfisol, Hulugalle, N. and Ezumah, H. C., in: Agriculture, Ecosystems and Environment, volume 35, number 1, pages 55-63, ISSN 0167-8809, 1991.
 
Some analytical aspects of cassava/maize/okra/egusi-melon complex mixture: 1. Soli temperature in relation to leaf area variation, Ikeorgu, J.* and Ezumah, H. C., in: Field Crops Research, volume 27, number 1-2, pages 51-60, 1991.
 
On-farm technology testing: for whom? what? and how?, Ezumah, H. C., in: Agricultural Systems in Africa, volume 1, number 1, pages 35-44, ISSN 1016-8672, 1991.
 

1990

Tillage effects on cassava (Manihot esculenta) production and some soil properties, Ohiri, A. C. and Ezumah, H. C., in: Soil Tillage Research, volume 17, pages 221-229, 1990.
 
Agronomy, Osiru, D.* and Ezumah, H. C., pages 53-68, International Institute of Tropical Agriculture (IITA), 1990.
 
Maize (Zea mays) genotypes for intercroping with cassava (Manihot esculenta) in southern Nigeria; 1: yield responses, Ezumah, H. C., in: Discovery and Innovation, volume 2, number 2, pages 63-72, ISSN 1015-079X, 1990.
 
Maize (Zea mays) genotypes for intercropping with cassava (Manihot esculenta) in southern Nigeria; 2: growth morphological changes and yield advantages, Ezumah, H. C., Arthur, J. *, Osiru, D. and Fajemisin, J., in: Discovery and Innovation, volume 2, number 2, pages 73-79, ISSN 1015-079X, 1990.
 
Cassava and maize intercropping system: the effects of varieties and plant populations, Ezumah, H. C. and Lawson, T. L., in: Journal of Agronomy and Crop Science, volume 164, pages 334-342, 1990.
 
On-farm research, Ezumah, H. C. and Mutsaers, H. J. W., pages 139-167, International Institute of Tropical Agriculture (IITA), 1990.
 

1989

Evaluation of the productivity of cassava-yam-maize intercrop in the rainforest zone of Nigeria, Unamma, R. P. A., Udealor, A., Ezulike, T. O., Orkwor, G. C., Ene, L. S. O., Ikeorgu, J.* and Ezumah, H. C., pages 47-56, International Institute of Tropical Agriculture (IITA), 1989.
 
Introduction of cassava through maize in a humid environment, Oyedokun, J. B., Akinlosotu, T. A., Omidiji, M. O. and Ezumah, H. C., pages 24-35, International Institute of Tropical Agriculture (IITA), 1989.
 
Effects of melon (Citrullus lanatus Thunb.) and okra (Abelmoschus esculentus [L.] Moench) on the soil moisture and leaf water status of intercropped cassava/maize in Nigeria, Ikeorgu, J.*, Wahua, T. A. T.* and Ezumah, H. C., in: Tropical Agriculture (Trinidad), volume 66, number 1, pages 78-82, ISSN 0041-3216, 1989.
 
Cassava intercropping with maize, cowpea and plantain at different intercrop populations and mixture complexities in a humid tropical environment, Adetiloye, P. O., Adekunle, A. and Ezumah, H. C., pages 49, 1989.
 
Effect of fertilizer and time of introduction of cassava or maize on productivity of yam and cassava-based intercrops in a humid ultisol, Ikeorgu, J.*, Unamma, R. P. A. and Ezumah, H. C., pages 36-41, International Institute of Tropical Agriculture (IITA), 1989.
 
Productivity of species in cassava/maize/okra/egusi melon complex mixtures in Nigeria, Ikeorgu, J.*, Ezumah, H. C. and Wahua, T. A. T.*, in: Field Crops Research, volume 21, number 1, pages 1-7, 1989.
 
Performance and production of plantain and cassava intercropping systems, Adetiloye, P. O. and Ezumah, H. C., pages 13-23, International Institute of Tropical Agriculture, 1989.
 
Relative changes in the nutrient composition of six cultivars of white yam grown in three ecozones of southeastern Nigeria, Asadu, C.*, Ezumah, H. C., Akammigbo, F. O. and Nweke, F., pages 126-137, International Institute of Tropical Agriculture (IITA), 1989.
 
Economics of indigenous cassava processing techniques in a humid forest ecology of Nigeria, Karunwi, A. and Ezumah, H. C., pages 181-193, International Institute of Tropical Agriculture (IITA), 1989.
 
Studies on cassava-based rotation systems in a tropical alfisol, Ezumah, H. C. and Hulugalle, N., 1989.
 

1988

Cropping systems and agroeconomic performance of improved cassava in a humid forest ecosystem: RCMP Research monograph, No. 2, Nweke, F., Ezumah, H. C. and Spencer, D., RCMP Research monograph, No. 2, International Institute of Tropical Agriculture (IITA), 1988.
 
Maize variety and population in a cassava-maize intercrop, Arthur, J. *, Ezumah, H. C. and Doku, E. V., pages 132-143, International Institute of Tropical Agriculture (IITA), 1988.
 
The performance of six cultivars of white yam derived from three sources and evaluated across three zones in southern Nigeria, Asadu, C.*, Ezumah, H. C., Nweke, F. and Akammigbo, F. O., pages 214-224, International Institute of Tropical Agriculture (IITA), 1988.
 
Performance of improved IITA cassava, Manihot esculenta Crantz, at farm level, Nweke, F., Ezumah, H. C. and Spencer, D., pages 83-88, International Institute of Tropical Agriculture (IITA), 1988.
 
Economics of fertilizer application by different methods in a cassava-maize intercrop system, Nweke, F., Ezumah, H. C. and Agu, M., pages 124-131, International Institute of Tropical Agriculture (IITA), 1988.
 
Cropping systems and agronomic performance of improved cassava (Manihoti esculenta Crantz), in a humid forest ecosystem, Nweke, F., Ezumah, H. C. and Spencer, D., International Institute of Tropical Agriculture (IITA), 1988.
 
Linking similar crop enviroments: relevant agronomic data, Ezumah, H. C. and Gichuru, M., pages 31-36, International Institute of Tropical Agriculture (IITA), 1988.
 
Response of a cassava-maize intercrop to nitrogen in two-year sequential cropping, Ezumah, H. C., Nweke, F., Kalabare, N. D. and Karunwi, A., pages 161-175, International Institute of Tropical Agriculture (IITA), 1988.
 

1987

The effects of harvesting leaves on cassava yield in Zaire, Ezumah, H. C., in: Agriculture International (UK), volume 39, number 5, pages 152-155, 1987.
 
Field evaluation of maize varieties for intercropping with cassava, Ezumah, H. C., Arthur, J. *, Osiru, D.* and Fajemisin, J., in: Agronomy Abstracts, pages 39, 1987.
 
Maize-cowpea intercropping as affected by nitrogen fertilization, Ezumah, H. C., Nam, N. K. and Walker, P., in: Agronomy Journal, volume 79, number 2, pages 275-280, ISSN 0002-1962, 1987. [DOI]
 
Evaluation of ten sweet potato cultivars at eight sites in southern Nigeria, Ezumah, H. C., Hahn, S. K. and Terry, E. R., in: Samaru Journal of Agricultural Research, volume 5, number 1-2, pages 87-96, 1987.
 

1986

Introducing the root crops based cropping systems research network in Nigeria, Ezumah, H. C., in: West Africa Farming Systems Research Network Bulletin, volume 2, pages 12-13, 1986.
 

1985

Optimizing cultural practices for cowpea in Africa, Muleba, N. and Ezumah, H. C., in: Production and Utilization edited by S.R. Singh and K.O. Rachie, pages 289-295, 1985.
 

1984

Crop performance in complex mixtures: melon and okra in cassava-maize mixture, Ikeorgu, J.*, Wahua, T. A. T.* and Ezumah, H. C., in: Proceedings of the Second Triennial Symposium on Tropical Root Crops- Africa Branch, edited by E.R. Terry, E.V. Doku, O.B. Arene and N.M. Mahungu, pages 63-66, IDRC, Ottawa, 1984.
 
Cowpea agronomy in Africa, Muleba, N. and Ezumah, H. C., International Institute of Tropical Agriculture (IITA), 1984.
 
Cowpea agronomy in Africa, Muleba, N. and Ezumah, H. C., International Institute of Tropical Agriculture (IITA), 1984.
 
Technologies for on-farm research: contribution by IITA, Ezumah, H. C., 1984.
 
Cassava in the cropping systems of humid Africa, Ezumah, H. C. and Ikeorgu, J.*, Ugandan International Conference Centre, 1984.
 
Intercropping of morphologically different cassava and maize genotypes (abstract), Ezumah, H. C. and Lawson, T. L., Nevada, U.S.A., 1984.
 

1983

Agronomic considerations of notillage farming, Ezumah, H. C., 1983.
 
Cassava Production and Extension in Central Africa, Ezumah, H. C., in: IITA proceedings series, 1983.
 
Possible roles of farming systems research in reducing food production constraints of Rwanda, Ezumah, H. C. and Balasubramanian, V., pages 77-82, 1983.
 

1982

Studies on Mechanization of Taro colocasia esculenta in Hawaii, Plucknett, D.L., Ezumah, H. C. and de la Pena, R.S., pages 67-73, 1982.
 
Evaluation of some cultural practices for better cassava production, Ezumah, H. C. and Lawson, T. L., in: Paper presented at National Accelerated Food Production Program Annual Workshop, 21-16 February 1982, NRCRI, Umudike, Nigeria, 1982.
 
Competitive relationships of intercroped maize and cowpea of different maturity times, Ezumah, H. C. and McGuire , J., in: Paper presented at 2nd National Meeting of Nigerian Soybean Scientists, 18-20 February 1982, 1982.
 
Cassava Selections for the Republic of Zaire, Ezumah, H. C., in: Proceedings Fifth International Symposium on Tropical Root and Tuber Crops, Manila Philippines: International Society for tropical Root Crops, pages 385-397, 1982.
 
Cultural studies on taro, Colocasia esculenta(L)Schott.2.Age and moiswture effect on growth and corn yield, Ezumah, H. C. and Plucknett, D.L., in: Journal of Root Crops, volume 8, number 1,2, pages 17-26, 1982.
 

1981

Cultural Studies on Taro , C esculenta (L. Schot). The relationship of Leaf Development, Suckering capacity Plant Population with Taro Yields, Ezumah, H. C. and Plucknett, D.L., in: Journal of Root Crops, volume 7, number 1,2, pages 41-52, 1981.
 

1980

Cassava improvement by the Program Manioc in Zaire, Ezumah, H. C., 1980.
 
Constraints for cassava production in Zaire and Role of PRONAM in Cassava Improvement, Ezumah, H. C. and ne Bambi, L., 1980.
 
Cassava Production in Nigeria, Ezumah, H. C. and Akinlosotu, T. A., 1980.
 
Present status and futre aspiration of the Program National Manioc in Zaire, Ezumah, H. C., 1980.
 
Present status and future aspiration of the Program National Manioc in Zaire, Ezumah, H. C., 1980.
 
Organization and conducting of multilicational cassava evaluation including cultural practices, Ezumah, H. C., 1980.
 
Cassava Improvement in the Programme National du Manioc in Zaire: objectives and achivements up to 1980, Ezumah, H. C., in: Tropical Root Crops: research strategies for the 1980s, pages 29-34, 1980.
 
Rapport de progress sur le programme de la selection du PRONAM:1974-1978, Ezumah, H. C., 5, 1980.
 
Quelques reconmandations sur les practiques culturales du manioc an Zaire:, Ezumah, H. C., V, 1980.
 
Cassava planting systems in Africa, Ezumah, H. C. and Okigbo, B., 1980.
 
Soil and water conservation and management for cassava production in Africa, Ezumah, H. C., Lal, R. and Okigbo, B., 1980.
 

1978

The Cassava Mealybug in the Republic of Zaire, PANS. 1978, Nwanze, K. F., Leuchner, K. and Ezumah, H. C., 1978.
 
Weed Problems of Food Crops in Zaire., Breyne, H., Ezumah, H. C. and Ndoyi, K., IITA, 1978.
 
The Present Status of Cassava Bacterial Blight in Zaire, Pacumbaba, R. P. and Ezumah, H. C., 1978.
 
Some Notes on the Mealybug, P.Manihoti Incidence on Manioc Manihot esculenta in Bas Zaire, Ezumah, H. C. and Knight, A., 1978.
 
Some Notes on the Mealybug. P. manihoti Incidence on Manior (Manihot essulental) in Bas Zaire, Ezumah, H. C. and Knight, A., 1978.
 
Effects of Frequency of Leaf Harvest and on Yield and General Performance of the Cassava Cultivars in Zaire, Ezumah, H. C., 1978.
 

1976

PRONAM review paper (Mimeo), Haynes, P. H., Ezumah, H. C. and Pacumbaba, R. P., 1976.
 
Cassava blight control: the Zairean experience, Ezumah, H. C. and Sabasigari, K, 1976.
 
Guidelines for the establishment of a cassava improvement project: the Zaire model, Ezumah, H. C., Kabonyi, S. and Beya, K., in: The International Exchange and Testing of Cassava Germ Plasm in Africa: proceedings of an interdisciplinary workshop held at IITA, Ibadan, Nigeria, 17-21 November, 1975 edited by Terry, E. and R. MacIntyre, pages 45-48, International Development Research Centre (IDRC), Ottawa, Canada, 1976.
 
Breeding activities of PRONAM (Mimeo), Ezumah, H. C., 1976.
 

1974

Weed control in major tropical root and tuber crops: review, Moody, K. and Ezumah, H. C., in: International Journal of Pest Management, volume 20, number 3, pages 292-299, ISSN 0967-0874, 1974. [DOI]
 
Cultural considerations in control of cassava bacterial blight (CBB): proceedings of the First Workshop on Cassava Bacterial Blight in Nigeria, Umudike, 28th April - 1st May 1974, Ezumah, H. C. and Terry, E. R., in: Proceedings of the First Workshop on Cassava Bacterial Blight in Nigeria, held at the Federal Agrictural Research and Training Station, Umudike, 28th April - 1st May 1974 edited by Okpala, E. U. and H. J. Glaser, pages 25-32, 1974.