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Browsing by Subjects YAMS

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Issue Date	Title	Author(s)
1987	Cameroon National Root Crops Improvement Program (C.N.R.C.I.P.)	Institute of Agronomic Research
1980	Cameroon National Root Crops Improvement Programme (CNRCIP): annual technical (analytic) report, 1980	Institut de recherches agronomiques et forestières; Tumanteh, A.; Agueguia, A.
1979	Cameroon National Root Crops Improvement Programme (CNRCIP): annual technical report, 1979	Institut de recherches agronomiques et forestières; Lyonga, S.N.; Steiner, K.G.; Pfeiffer, H.; Nzietchueng, S.
1989	Comparative study and evaluation of yam zone soils and the performance of six cultivars of white yam (Dioscorea rotundata) in Southeastern Nigeria	Asadu, C.L.A.
1989	Cost constraints on root and tuber crops production in yam based cropping system of South East Nigeria	Neweke, F.I.; Ugwu, B.O.; Asadu, C.L.A.; Ezumah, H.C.
1988	Demand elasticities for food crops in major yam producing areas of Southeastern Nigeria	Okorji, E.C.
1984	Effects of some growth regulators on in vitro tuberization in Dioscorea alata L. 'Brazo fuerte' and D. abyssinica Hoch.	Université de Montréal; Jean, M.; Cappadocia, M.
1989	Efficiency of resource use in food crop production in major yam producing areas of Southeastern Nigeria	Ugwu, B.O.
1992	Elasticities of demand for major food items in a root and tuber based food system : emphasis on yam and cassava in Southeastern Nigeria	International Institute of Tropical Agriculture; Nweke, F.I.; Okorji, E.C.; Njoku, J.E.; King, D.J.
1989	Elasticities of demand for major food items in a root and tuber crops based food system	Nweke, F.I.; Okorji, E.C.; Ay, P.; King, D.J.
1991	Elasticities of demand for major food items in a root and tuber food system : emphasis on yam in Southeast Nigeria	Okorji, E.C.; Nweke, F.I.; Njoku, J.E.; King, D.J.
1990	Final report / Yam Regeneration Project (Cropping Systems Outreach)	Inter-American Institute of Agricultural Sciences
1989	Future of yam : a food systems analysis of yam in Eastern Nigeria	Nweke, F.I.; Asadu, C.L.A.; Ugwu, B.O.; Okorji, E.C.; Njoku, J.E.
1988	Inter and intra state trade on root crops : a study of yam collection and distribution processes	Eluagu, L.S.
1990	In vitro tuberization in Dioscorea alata L. 'Brazo fuerte' and 'Florido' and D. abyssinica Hoch	Université de Montréal; Jean, M.; Cappadocia, M.
2000	Issues in yam minisett technology transfer to farmers in Southeastern Nigeria	African Technology Policy Studies Network; Madukwe, M.C.; Ayichi, D.; Okoli, E.C.
1991	Production costs in the yam based cropping systems of Southeastern Nigeria	International Institute of Tropical Agriculture; Nweke, F.I.; Ugwu, B.O.; Asadu, C.L.A.; Ay, P.
1991	Production costs in the yam based cropping systems of Southeastern Nigeria	Nweke, F.I.; Ugwu, B.O.; Asadu, C.L.A.; Ay, P.
1986	Root crops digest, vol. 1, no. 1, 1985 - vol. 1, no. 5, 1986	Philippine Root Crops Information Service; Bartolini, Perfecto U.
1987	Root crops digest, vol. 2, no. 1, 1987 - vol. 2, no. 4, 1987	Philippine Root Crops Information Service; Bartolini, Perfecto U.

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