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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 northern Guinea savanna is generally known to be suitable for the production of annual crops of short-to-medium duration but is threatened with soil degradation because of inadequate organic inputs. Trees can be one important source of organic supplement to crop fields. Farmers' preferences f...


Oyewole, B.Carsky, R.[Multiple purpose tree use by farmers using indigenous knowledge in subhumid and semiarid northern Nigeria]Multiple purpose tree use by farmers using indigenous knowledge in subhumid and semiarid northern Nigeria

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