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In much of sub-Saharan Africa (SSA), the lack of organic soil amendments constitutes one of the principal causes for declining soil fertility in intensifying farming systems. The challenge, therefore, remains to increase the availability of organic inputs and to develop recommendations for their ...


Schulz, S.Tian, G.Oyewole, B.Bako, S.[Rice mill waste as organic manure on a degraded Alfisol]Rice mill waste as organic manure on a degraded Alfisol

In the farming systems approach to technology development, trials are carried out on a limited number of farmers’ fields. Results of these trials are extrapolated to the entire target area and used either to identify directions for further research or to develop recommendations for farmers. Extra...


Smith, J.Walker, P.Oyewole, B.[Representativeness of farmers and sites in onfarm trials]Representativeness of farmers and sites in onfarm trials

In the moist savanna zone with a 180 to 190 day growing period, early season cowpea immediately followed by a late season cereal crop can maximize the benefit of the legume to the cereal. Traditional cereal crops for this system are millet and sorghum but new early maize varieties can also be use...


Carsky, R.J.Singh, B.B.Oyewole, B.[Contribution of early season cowpea to late season maize in the savanna zone of West Africa]Contribution of early season cowpea to late season maize in the savanna zone of West Africa
Manyong, Victor M.Smith, J.Weber, G.Jagtap, S.S.Oyewole, B.[Macrocharacterization of agricultural systems in West Africa: an overview]Macrocharacterization of agricultural systems in West Africa: an overview

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