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There are abundant local legume trees and shrubs potentially suitable for alley cropping systems in the sub-Saharan Africa, which are yet to be studied. The nitrogen contribution of two years old Albizia lebbeck and S. corymbosato yield of maize grown in alley cropping was compared to that of Sen...


Okogun, J.Sanginga, P.Mulongoy, N.[Nitrogen contribution of five leguminous trees and shrubs to alley cropped maize]Nitrogen contribution of five leguminous trees and shrubs to alley cropped maize

Mucuna pruriens and Lablab purpureus can immediately benefit from rock phosphate (RP), but as both herbaceous legumes have only limited economic value, these benefits are only meaningful if yields of a subsequent maize crop are improved. The impact of RP application to Mucuna and Lablab on grain ...


Vanlauwe, BernardDiels, J.Sanginga, P.Carsky, R.Deckers, J.Merckx, R.[Utilization of rock phosphate by crops on a representative toposequence in the northern Guinea savanna zone of Nigeria: response by maize to previous herbaceous legume cropping and rock phospate treatments]Utilization of rock phosphate by crops on a representative toposequence in the northern Guinea savanna zone of Nigeria: response by maize to previous herbaceous legume cropping and rock phospate treatments

The impact of land use (unfertilized continuous maize cropping, unfertilized and fertilized alley cropping with maize, Gliricidia sepium tree fallow, natural fallow) on the soil organic matter (SOM) status and general soil fertility characteristics were investigated for a series of soils represen...


Vanlauwe, BernardAihou, K.Tossah, S.Aman, B.K.Diels, J.Lyasse, O.Hauser, S.Sanginga, P.Merckx, R.[Nitrogen and phosphorus uptake by maize as affected by particulate organic matter quality, soil characteristics, and landuse history for soils from the West African moist savanna zone]Nitrogen and phosphorus uptake by maize as affected by particulate organic matter quality, soil characteristics, and landuse history for soils from the West African moist savanna zone

In cover cropping systems in the tropics with herbaceous legumes, plant residues are expected to supply nitrogen (N) to non-legume crops during decomposition. Field experiments were carried out to (i) determine the effects of residue quality on decomposition and N release patterns of selected pla...


Sanginga, P.Vanlauwe, BernardMerckx, R.Ibewiro, B.[Nitrogen contributions from decomposing cover crop residues to maize in a tropical derived savanna]Nitrogen contributions from decomposing cover crop residues to maize in a tropical derived savanna

Reliable estimates of symbiotically fixed N2 in herbaceous legumes are important in order to determine their role in maintaining or improving N levels in tropical low-external-input farming systems. We have studied the effects of different management systems on the suitability of two non-N2-fixin...


Ibewiro, B.Sanginga, P.Vanlauwe, BernardMerckx, R.[Evaluation of symbiotic dinitrogen inputs of herbaceous legumes into tropical cover crop systems]Evaluation of symbiotic dinitrogen inputs of herbaceous legumes into tropical cover crop systems

The fate of 15N-labeled plant residues from different cover-cropping systems and labeled inorganic N fertilizer in the organic, soil mineral, microbial biomass and soil organic matter (SOM) particle-size fractions was investigated in a sandy Lixisol. Plant residues were from mucuna (legume), labl...


Ibewiro, B.Vanlauwe, BernardSanginga, P.Merckx, R.[Transformations and recovery of residue and fertilizer nitrogen15 in a sandy Lixisol of West Africa]Transformations and recovery of residue and fertilizer nitrogen15 in a sandy Lixisol of West Africa

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