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Data from the derived savanna zone in southern Benin indicated that some intensive cropping systems (maize/Cajanus and maize/Mucuna relays; maize/cotton with Senna siamea hedgerows) returned about 12 Mg DM ha-1 year-1 of plant biomass to the soil. This compared favorably with the 8 Mg DM ha-1 yea...


Diels, J.Lyasse, O.Sanginga, N.Vanlauwe, BernardAihou, K.Iwuafor, E.N.O.Merckx, R.Deckers, J.[Options for soil organic carbon maintenance under intensive cropping in the West African savanna]Options for soil organic carbon maintenance under intensive cropping in the West African savanna
Vanlauwe, BernardDiels, J.Sanginga, N.Merckx, R.[Residue quality and decomposition: An unsteady relationship?]Residue quality and decomposition: An unsteady relationship?

The IITA in its research for sustainable soil fertility management has passed through several stages during which legume-based systems were always at the forefront. Alley cropping has N yields of more than 200 kg ha-1 with 50% N2 fixation. In the case of Mucuna cover cropping, the ecological bene...


Carsky, R.Sanginga, N.Schulz, S.Douthwaite, BoruManyong, Victor M.Diels, J.Vanlauwe, BernardKeatinge, J.D.H.[The ability to fix N is not the only key to delivery of the benefits of BNF to farmers: experience of IITA in the savannas of Africa]The ability to fix N is not the only key to delivery of the benefits of BNF to farmers: experience of IITA in the savannas of Africa

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