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Smallholder farmers in East-Africa commonly intercrop maize (Zea mays L.) with grain legumes to maximize utilisation of land and labour, and attain larger crop yields. Conventionally, one legume line is intercropped between each pair of maize lines. This study evaluated the potential of a modifie...


Mucheru-Muna, M.Pypers, PieterMugendi, DNKung'u, J.B.Mugwe, JMerckx, R.Vanlauwe, Bernard[A staggered maize-legume intercrop arrangement robustly increases crop yields and economic returns in the highlands of Central Kenya]A staggered maize-legume intercrop arrangement robustly increases crop yields and economic returns in the highlands of Central Kenya

Crop response, tree biomass production and changes in soil fertility characteristics were monitored in a long-term (1986–2002) alley-cropping trial in Ibadan, Nigeria. The systems included two alley cropping systems with Leucaena leucocephala and Senna siamea on the one hand and a control (no-tre...


Vanlauwe, BernardDiels, J.Sanginga, NteranyaMerckx, R.[Long term integrated soil fertility management in southwestern Nigeria: crop performance and impact on the soil fertility status]Long term integrated soil fertility management in southwestern Nigeria: crop performance and impact on the soil fertility status

Establishing balanced nutrient requirements for maize (Zea mays L.) in the Northern Nigerian Savanna is paramount to develop site-specific fertilizer recommendations to increase maize yield, profits of farmers and avoid negative environmental impacts of fertilizer use. The model QUEFTS (QUantitat...


Shehu, B.M.Lawan, B.A.Jibrin, J.M.Kamara, A.Y.Mohammed, I.B.Rurinda, J.Zingore, S.Craufurd, P.Vanlauwe, BernardAdam, A.M.Merckx, R.[Balanced nutrient requirements for maize in the northern Nigerian savanna: parameterization and validation of QUEFTS model]Balanced nutrient requirements for maize in the northern Nigerian savanna: parameterization and validation of QUEFTS model

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

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

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

Soil fertility decline is a major constraint to bean (Phaseolus vulgaris L.) and maize (Zea mays) production in the Central Highlands of Burundi. Nutrient sources, specifically fertilizers, are paramount to increasing the production in the regions. Hence, improving fertilizer use efficiency is co...


Niyuhire, M.C.Pypers, PieterVanlauwe, BernardNziguheba, GeneroseRoobroeck, D.Merckx, R.[Profitability of diammonium phosphate use in bush and climbing bean-maize rotations in smallholder farms of Central Burundi]Profitability of diammonium phosphate use in bush and climbing bean-maize rotations in smallholder farms of Central Burundi
Nziguheba, GeneroseTossah, B.K.Diels, J.Franke, A.C.Aihou, K.Iwuafor, E.N.O.Nwoke, CMerckx, R.[Assessment of nutrient deficiencies in maize in nutrient omission trials and long-term field experiments in the West African Savanna]Assessment of nutrient deficiencies in maize in nutrient omission trials and long-term field experiments in the West African Savanna

Although the West-African moist savanna zone has a high potential for crop production, yields on farmers' fields are, on average, far below this potential, mainly due to the low use of external sources of nutrients. Since the mid-1990s, it has become clear that in order to upgrade crop production...


Vanlauwe, BernardAihou, K.Houngnandan, P.Diels, J.Sanginga, N.Merckx, R.[Nitrogen management in adequate input maizebased agriculture in the derived savanna benchmark zone of Benin Republic]Nitrogen management in adequate input maizebased agriculture in the derived savanna benchmark zone of Benin Republic

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