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Browsing by Authors Ugwu, B.O.
Showing results 1 to 5 of 5
| Issue Date | Title | Author(s) | | 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. |
| 1989 | Efficiency of resource use in food crop production in major yam producing areas of Southeastern Nigeria | Ugwu, B.O. |
| 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. |
| 1991 | Production costs in the yam based cropping systems of Southeastern Nigeria | Nweke, F.I.; Ugwu, B.O.; Asadu, C.L.A.; Ay, P. |
| 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. |
Showing results 1 to 5 of 5
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