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To improve efficiency of soil N and water use in the savanna, maize (Zea mays L.) cultivars with improved root systems are required. Two rainfed field experiments were conducted in Samaru, Nigeria in the 1993 and 1994 growing seasons with five maize cultivars under various rates of nitrogen ferti...


Oikeh, S.Kling, J.Horst, W.Chude, V.Carsky, R.[Growth and distribution of maize roots under nitrogen fertilization in plinthite soil]Growth and distribution of maize roots under nitrogen fertilization in plinthite soil

The contribution of root and leaf litter to soil nitrogen dynamics, nitrogen uptake and balance was evaluated under cereal–legume rotations in a tropical moist savanna soil. Two legumes, soyabean (Glycine max) and stylo (Stylosanthes hamata), and maize (Zea mays) as a control were grown in four f...


Oikeh, S.Chude, V.Carsky, R.Weber, G.Horst, W.[Legume rotation in the moist tropical savanna: managing soil nitrogen dynamics and cereal yields in farmers' fields]Legume rotation in the moist tropical savanna: managing soil nitrogen dynamics and cereal yields in farmers' fields
Weber, G.Chindo, P.S.Elemo, K.A.Oikeh, S.[Nematodes as production constraints cerealbased cropping systems of the Northern Guinea Savanna]Nematodes as production constraints cerealbased cropping systems of the Northern Guinea Savanna
Weber, G.Elemo, K.A.Award, A.Lagoke, S.T.O.Oikeh, S.[Striga hermonthica in cropping systems of the Northern Guinea Savanna]Striga hermonthica in cropping systems of the Northern Guinea Savanna

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