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Nziguheba, GeneroseZingore, ShamieKihara, JobMerckx, R.Njoroge, S.Otinga, A.Vandamme, E.Vanlauwe, Bernard[Phosphorus in smallholder farming systems of subSaharan Africa: implications for agricultural intensification]Phosphorus in smallholder farming systems of subSaharan Africa: implications for agricultural intensification

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

Earthworm and termite diversity were studied in 12 long-term agricultural field trials across the sub-humid to semi-arid tropical zones of Eastern and Western Africa. In each trial, treatments with high and low soil organic C were chosen to represent contrasts in long-term soil management effects...


Ayuke, Fredrick O.Pulleman, MVanlauwe, BernardGoede, Ron G.M. deSix, JohanCsuzdi, C.Brussaard, Lijbert[Agricultural management affects earthworm and termite diversity across humid to semi-arid tropical zones]Agricultural management affects earthworm and termite diversity across humid to semi-arid tropical zones

Nitrogen (N) deficiency is a major constraint to the productivity of the African smallholder farming systems. Grain, green manure and forage legumes have the potential to improve the soil N fertility of smallholder farming systems through biological N2-fixation. The N2-fixation of bean (Phaseolus...


Ojiem, JOVanlauwe, BernardRidder, N.A. deGiller, Ken E.[Niche-based assessment of contributions of legumes to the nitrogen economy of Western Kenya smallholder farms]Niche-based assessment of contributions of legumes to the nitrogen economy of Western Kenya smallholder farms
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

A large proportion of total P in the soils of the area is unavailable to plants and consequently P is the second most limiting nutrient. The labile and moderately labile phosphorus fractions and adsorption characteristics of surface and subsurface horizons of eleven soil profiles in the derived s...


Nwoke, O.C.Vanlauwe, BernardDiels, J.Sanginga, N.Osonubi, O.Merckx, R.[Assessment of labile phosphorus fractions and adsorption characteristics in relation to soil properties of West African savanna soils]Assessment of labile phosphorus fractions and adsorption characteristics in relation to soil properties of West African savanna soils

Application of biochar has been shown to increase soil fertility and enable soil carbon sequestration, indicating potential for agricultural and environmental benefits from using locally produced biochar on African smallholder farms. However, previous studies have been rather short-term and littl...


Kätterer, T.Roobroeck, D.Andrén, O.Kimutai, G.Karltun, E.Kirchmann, H.Nyberg, G.Vanlauwe, BernardNowina, K.R. de[Biochar addition persistently increased soil fertility and yields in maizesoybean rotations over 10 years in sub-humid regions of Kenya]Biochar addition persistently increased soil fertility and yields in maizesoybean rotations over 10 years in sub-humid regions of Kenya

Banana leaf pruning is a common practice to facilitate intercropping with legumes on farmers’ fields. It is however not clear if this practice improves farmers land-use and economic efficiency, especially after full canopy formation. To analyze pruning effects, three legumes viz. bush bean (Phase...


Ocimati, W.Ntamwira, J.Groot, Jeroen C.J.Taulya, G.Tittonell, Pablo A.Dhed’a, B.Asten, Piet J.A. vanVanlauwe, BernardRuhigwa, B.Blomme, Guy[Banana leaf pruning to facilitate annual legume intercropping as an intensification strategy in the East African highlands]Banana leaf pruning to facilitate annual legume intercropping as an intensification strategy in the East African highlands

Increasing organic matter/carbon contents of soils is one option proposed to offset climate change inducing greenhouse gas (GHG) emissions, under the auspices of the UNFCC Paris Agreement. One of the complementary practices to sequester carbon in soils on decadal time scales is amending it with b...


Roobroeck, D.Hood‐Nowotny, R.Nakubulwa, D.Tumuhairwe, J.B.Mwanjalolo, M.J.G.Ndawula, I.Vanlauwe, Bernard[Biophysical potential of crop residues for biochar carbon sequestration, and co-benefits, in Uganda]Biophysical potential of crop residues for biochar carbon sequestration, and co-benefits, in Uganda

The sub-humid zone of Central Kenya is water deficient due to regular intra-seasonal dry spells that constrain rain-fed crop production. A study was initiated to investigate the effects of minimum tillage and vegetative barriers on soil and water conservation and crop yield. There were two tillag...


Guto, SamuelRidder, N.A. deGiller, Ken E.Pypers, PieterVanlauwe, Bernard[Minimum tillage and vegetative barrier effects on crop yields in relation to soil water content in the Central Kenya highlands]Minimum tillage and vegetative barrier effects on crop yields in relation to soil water content in the Central Kenya highlands

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