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| Firstname: | R. P. A. |
| Surname: | Unamma |
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| Institute: | Michael Okpara University of Agriculture, Umudike, Nigeria |
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| Adoption of yam minisett technology by women farmers in Abia State, Nigeria, Ironkwe, A., Asiedu, R. and Unamma, R. P. A., in: Journal Of Agriculture and Social Research, volume 7, number 2, pages 95-105, ISSN 1595-7470, 2007. |
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| Involvement of women farmers in seed yam production in Abia state, Nigeria, Ironkwe, A., Unamma, R. P. A. and Asiedu, R., in: Repositioning agriculture for sustainable millennium development goals in Nigeria: proceedings of the 40th annual conference of the Agricultural Society of Nigeria held at the National Root Crops Research Institute, Umudike, Abia State, 16-20 October, pages 610-614, Agricultural Society of Nigeria, 2006. |
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| 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. |
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| Effects of tropical weeds on yield in white yam (Dioscorea rotundata Poir), Unamma, R. P. A. and Akobundu, I., in: Weed Research, volume 29, number 1, pages 1-6, ISSN 0043-1737, 1989. |
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| 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. |
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| An assessment of weed interference in white yam (Dioscrorea rotundata Poir), Akobundu, I. and Unamma, R. P. A., 1981. |
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| An assessment of weed interference in white yam (Dioscorea rotundata Poir), Akobundu, I. and Unamma, R. P. A., 1980. |
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