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Legume-cereal rotations are an essentialcomponent of integrated soil fertility management inlow-input cropping systems, but strategies are needed toincrease phosphorus (P) fertilizer use efficiency in suchsystems. These may include preferential targeting of Pto one of the crops in the rotation cy...


Vandamme, E.Pypers, PieterVanlauwe, BernardBaijukya, Frederick P.Smolders, E.Merckx, R.[Residual phosphorus effects and nitrogen x phosphorus interactions in soybeanmaize rotations on a Pdeficient Ferralsol]Residual phosphorus effects and nitrogen x phosphorus interactions in soybeanmaize rotations on a Pdeficient Ferralsol

Cassava intercropping is a common practice in sub-Saharan Africa. In terms of growth pattern, canopy development and nutrient demand, grain legumes are well suited for intercropping with cassava. Due to the inter-specific competition for growth resources, the relative planting time of the compone...


Nyi, T.Mucheru-Muna, M.Shisanya, C.Lodi-lama, J-P.Mutuo, P.Pypers, PieterVanlauwe, Bernard[Effect of delayed cassava planting on yields and economic returns of a cassavagroundnut intercrop in the Democratic Republic of Congo]Effect of delayed cassava planting on yields and economic returns of a cassavagroundnut intercrop in the Democratic Republic of Congo

This study focused on the isolation, identification (sequencing of 16S rDNA gene) and determination of the phosphorus (P)-solubilizing efficiency of native populations of phosphate-solubilizing bacteria (PSB) in 13 Kenyan soils with differing chemical characteristics. Air-dried soil samples were ...


Ndung'u-Magiroi, Keziah WairimuHerselman, L.Okalebo, JROthieno, COPypers, PieterLesueur, Didier[Occurrence and genetic diversity of phosphate-solubilizing bacteria in soils of differing chemical characteristics in Kenya]Occurrence and genetic diversity of phosphate-solubilizing bacteria in soils of differing chemical characteristics in Kenya

Phosphorus (P) uptake by plant roots depends on P intensity (I) and P quantity (Q) in the soil. The relative importance of Q and I on P uptake is unknown for soils with large P sorption capacities because of difficulties in determining trace levels of P in the soil solution. We applied a new isot...


Pypers, PieterDelrue, JDiels, J.Smolders, EMerckx, R.[Phosphorus intensity determines short-term P uptake by pigeon pea (Cajanus cajan L.) grown in soils with differing P buffering capacity : Comparison of E- and L-values]Phosphorus intensity determines short-term P uptake by pigeon pea (Cajanus cajan L.) grown in soils with differing P buffering capacity : Comparison of E- and L-values

There are several indications that legumes are capable of accessing sparingly soluble phosphorus (P) in the soil through root-induced processes. We hypothesize that this plant-induced mobilization of P can be demonstrated if the plant accessible P assessed by isotopic dilution ( L-value ) exceeds...


Pypers, PieterLoon, L. vanDiels, J.Abaidoo, R.C.Smolders, EMerckx, R.[Plant-available P for maize and cowpea in P-deficient soils from the Nigerian Northern Guinea savanna : Comparison of E- and L-values]Plant-available P for maize and cowpea in P-deficient soils from the Nigerian Northern Guinea savanna : Comparison of E- and L-values

Soil fertility problems resulting in low maize yields in smallholder farms are common in the West African moist savanna. The effectiveness of commercial foliar fertilizers in improving maize growth and yield was evaluated in three savanna agro-ecological zones of Nigeria in two steps. In step one...


Jemo, M.Nwoke, C.Pypers, PieterVanlauwe, Bernard[Response of maize (Zea mays) to the application of foliar fertilizers in the Sudan and Guinea savanna zone of Nigeria]Response of maize (Zea mays) to the application of foliar fertilizers in the Sudan and Guinea savanna zone of Nigeria

Soil fertility gradients develop on smallholder farms due to preferential allocation of inputs. A multi-location on-farm trial was conducted in Meru South, Central Kenya whose overall aim was to test minimum tillage and crop-residue retention practices in socio-ecological niches across heteroge...


Guto, SNPypers, PieterVanlauwe, BernardRidder, N.A. deGiller, Ken E.[Socio-ecological niches for minimum tillage and crop-residue retention in continuous maize cropping systems in smallholder farms of central Kenya]Socio-ecological niches for minimum tillage and crop-residue retention in continuous maize cropping systems in smallholder farms of central Kenya

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
Oberson, AstridPypers, PieterBünemann, Else K.Frossard, Emmanuel[Management impacts on biological phosphorus cycling in cropped soils]Management impacts on biological phosphorus cycling in cropped soils
Abaidoo, R.C.Nwoke, CPypers, PieterDiels, J.Kolawole, G.O.[Evaluation of shoot and root traits for identifying P-use efficient soybean genotypes]Evaluation of shoot and root traits for identifying P-use efficient soybean genotypes

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