Search Results - Ek, G.A. van

Quantitative assessment of traditional cropping systems in the Sudan savanna of northern Nigeria II. Management and productivity of major cropping systems by Ek, G.A. van, Henriet, J., Blade, S., Singh, B.

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Quantitative assessment of traditional cropping systems in the Sudan savanna of northern Nigeria: I. Rapid survey of prevalent cropping systems by Henriet, J., Ek, G.A. van, Blade, S., Singh, B.

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Quantitative assessment of traditional cropping systems in the Sudan savanna of northern Nigeria: III. Importance of trees, shrubs and secondary crops in the cropping systems by Henriet, J., Ek, G.A. van, Blade, S., Singh, B.

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