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Kihara, JobBationo, B. AndréWaswa, Boaz S.Kimetu, J.M.Vanlauwe, BernardOkeyo, Jeremiah M.Mukalama, JohnMartius, Christopher[Effect of reduced tillage and mineral fertilizer application on maize and soybean productivity]Effect of reduced tillage and mineral fertilizer application on maize and soybean productivity

Paul, Birthe K.Vanlauwe, BernardAyuke, Fredrick O.Gassner, AnjaHoogmoed, MarianneHurisso, T.T.Koala, SaidouLelei, D.Ndabamenye, T.Six, JohanPulleman, M.M.[Medium-term impact of tillage and residue management on soil aggregate stability, soil carbon and crop productivity]Medium-term impact of tillage and residue management on soil aggregate stability, soil carbon and crop productivity

Bationo, B. AndréVanlauwe, BernardKihara, JobKimetu, J.[Soil organic carbon dynamics, functions and management in West African agro-ecosystems]Soil organic carbon dynamics, functions and management in West African agro-ecosystems

Major challenges for combined use of organic and mineral nutrient sources in smallholder agriculture include variable type and quality of the resources, their limited availability, timing of their relative application and the proportions at which the two should be combined. Short-term nutrient su...


Mtambanengwe, F.Mapfumo, PaulVanlauwe, Bernard[Comparative short-term effects of different quality organic resources on maize productivity under two different environments in Zimbabwe]Comparative short-term effects of different quality organic resources on maize productivity under two different environments in Zimbabwe

Maintenance of soil organic matter (SOM) at levels that sustain optimal supply of soil nutrients and enhance efficiency of externally added fertilizers is a major challenge for smallholder farming systems of southern Africa. A study was conducted to quantify the interactive effects of organic res...


Mapfumo, PaulMtambanengwe, F.Vanlauwe, Bernard[Organic matter quality and management effects on enrichment of soil organic matter fractions in contrasting soils in Zimbabwe]Organic matter quality and management effects on enrichment of soil organic matter fractions in contrasting soils in Zimbabwe

Banana is an increasingly demanded food and cash crop in sub-Saharan Africa. Reported yields in smallholder farms vary substantially. The importance and spread of yield constraints have not been properly quantified. A study was carried out in Central Kenya to (i) quantify the yield levels, the pr...


Okumu, MOAsten, Piet J.A. vanKahangi, EMOkech, SHJefwa, J.M.Vanlauwe, Bernard[Production gradients in smallholder banana (cv. Giant Cavendish) farms in Central Kenya]Production gradients in smallholder banana (cv. Giant Cavendish) farms in Central Kenya

The following nine main cropping systems were evaluated: maize/maize in rotation without N-fertilizer (control); maize/cowpea in rotation where maize received N-fertilizer; maize/pigeonpea intercropping without N-fertilizer; maize/cowpea/pigeonpea in rotation where maize received N-fertilizer; ma...


Aihou, K.Sanginga, NteranyaVanlauwe, BernardDiels, J.Merkx, RCleemput, O. van[Restoration of terre de barre fertility using pigeonpea grown in rotation or intercropping with maize in the derived savanna of Benin]Restoration of terre de barre fertility using pigeonpea grown in rotation or intercropping with maize in the derived savanna of Benin

To guide soil fertility investment programmes in sub-Saharan Africa, better understanding is needed of the relative importance of soil and crop management factors in determining smallholder crop yields and yield variability. Spatial variability in crop yields within farms is strongly influenced b...


Tittonell, Pablo A.Shepherd, Keith D.Vanlauwe, BernardGiller, Ken E.[Unravelling the effects of soil and crop management on maize productivity in smallholder agricultural systems of western Kenya : An application of classification and regression tree analysis]Unravelling the effects of soil and crop management on maize productivity in smallholder agricultural systems of western Kenya : An application of classification and regression tree analysis

Many food production systems in sub-Saharan Africa are constrained by phosphorus (P). We hypothesized that within legume-cereal rotation systems: targeting P to the legume phase leads to higher system productivity, and that use of grain legumes leads to better economic returns than use of herbace...


Kihara, JobVanlauwe, BernardWaswa, Boaz S.Kimetu, J.M.Chianu, J.N.Bationo, B. André[Strategic phosphorus application in legume-cereal rotations increases land productivity and profitability in Western Kenya]Strategic phosphorus application in legume-cereal rotations increases land productivity and profitability in Western Kenya

Nutrient depletion is a major constraint to crop production for moist savanna soils, and inputs of nutrients are required to overcome this constraint. The impact of sole and combined applications of organic inputs (OIs) [fresh tree prunings, Pueraria phaseoloides (Roxb.) Benth. residues, and manu...


Vanlauwe, BernardAihou, K.Aman, SIwuafor, E.N.O.Tossah, B.K.Diels, J.Sanginga, NteranyaLyasse, O.Merckx, R.Deckers, J.[Maize yield as affected by organic inputs and urea in the West African moist savanna]Maize yield as affected by organic inputs and urea in the West African moist savanna

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