Instituto Internacional de Agricultura Tropical (IITA)
URI permanente para esta colecciónhttp://hdl.handle.net/123456789/114560
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Ítem Quantitative assessment of traditional cropping systems in the Sudan savanna of northern Nigeria: I. Rapid survey of prevalent cropping systemsHenriet, J.; Ek, G.A. van; Blade, S.; Singh, B.Ítem Quantitative assessment of traditional cropping systems in the Sudan savanna of northern Nigeria: III. Importance of trees, shrubs and secondary crops in the cropping systemsHenriet, J.; Ek, G.A. van; Blade, S.; Singh, B.Ítem Quantitative assessment of traditional cropping systems in the Sudan savanna of northern Nigeria II. Management and productivity of major cropping systemsEk, G.A. van; Henriet, J.; Blade, S.; Singh, B.