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Quantification of the movement of residue N through various biologically meaningful soil organic matter (SOM) fractions is essential in low-input tropical cropping systems for the development of management practices aimed at optimizing N-use efficiency. The flow of N derived from 15N-labeled leuc...


Vanlauwe, BernardSanginga, N.Merckx, R.[Soil organic matter dynamics after addition of nitrogen15 labeled leucaena and dactyladenia residues]Soil organic matter dynamics after addition of nitrogen15 labeled leucaena and dactyladenia residues

Quantification of the fate of residue N is essential in low-input tropical cropping systems for the development of management practices that optimize N-use efficiency. The recovery of N from 15N-labeled leucaena (Leucaena leucocephala (Lam.) de Wit) and dactyladenia (Dactyladenia barteri (Hook f ...


Vanlauwe, BernardSanginga, N.Merckx, R.[Recovery of leucaena and dactyladenia residue nitrogen15 in alley cropping systems]Recovery of leucaena and dactyladenia residue nitrogen15 in alley cropping systems

The moist savanna of West-Africa is characterized by a wide range of climates and soil types. The impact of the biophysical environment on hedgerow N uptake, wood production and maize grain yield was assessed for three years in three alley cropping trials with a selected number of hedgerow specie...


Tossah, B.K.Zamba, D.K.Vanlauwe, BernardSanginga, N.Lyasse, O.Diels, J.Merckx, R.[Alley cropping in the moist savanna of West Africa II. Impact on soil productivity in a northtosouth transect in Togo]Alley cropping in the moist savanna of West Africa II. Impact on soil productivity in a northtosouth transect in Togo

In tropical cropping systems with few external imputs, efficient management of mineral N derived from added organic residues is essential for the proper functioning of the system. We studied the dynamics of mineral Nitroden (N) in the top 100 cm of soil with a system tensiometers and suction cups...


Vanlauwe, BernardDiels, J.Duchateau, L.Sanginga, N.Merckx, R.[Mineral N dynamics in bare and cropped Leucaena leucocephala and Dactyladenia barteri alley cropping systems after the addition of 15Nlabelled leaf residues]Mineral N dynamics in bare and cropped Leucaena leucocephala and Dactyladenia barteri alley cropping systems after the addition of 15Nlabelled leaf residues

A laboratory incubation experiment with 15N labeled root and leaf residues of 3 agroforestry species (Leucaena leucocephala, Dactyladenia harto'i and Flemingia macrophylla) was conducted under controlled conditions (25 °C) for 56 days to quantify residue C and N mineralization and its relationshi...


Vanlauwe, BernardNwoke, O.C.Sanginga, N.Merckx, R.[Impact of residue quality on the C and N mineralization of leaf and root residues of three agroforestry species]Impact of residue quality on the C and N mineralization of leaf and root residues of three agroforestry species

The recovery of a single application of leucaena (Leucaena leucocephala) leaf N (78 kg N ha−1) in a maize crop, the hedgerow and the top 10 cm soil of a leucaena alley cropping system was measured for 236 d through the use of 15N labeled residues. The leucaena-derived-N (LDN) was followed in the ...


Vanlauwe, BernardSwift, M.J.Merckx, R.[Soil litter dynamics and N use in a leucaena (Leucaena leucocephalaLam. (de Witt)) alley cropping system in southwestern Nigeria]Soil litter dynamics and N use in a leucaena (Leucaena leucocephalaLam. (de Witt)) alley cropping system in southwestern Nigeria
De Brouwere, K.Hens, M.Merckx, R.Thijs, A.[Forms and availability of soil phosphorus in temperate forests in southern Chile and Flanders = Formas y disponibilidad de fósforo en el suelo de bosques templados en el sur de Chile y Flanders]Forms and availability of soil phosphorus in temperate forests in southern Chile and Flanders = Formas y disponibilidad de fósforo en el suelo de bosques templados en el sur de Chile y Flanders
Drouillon, M.Merckx, R.[The role of citric acid as a phosphorus mobilization mechanism in highly P-fixing soilsPapel del ácido cítrico como mecanismo de movilización de fósforo en suelos con alta capacidad de retención del fósforo]The role of citric acid as a phosphorus mobilization mechanism in highly P-fixing soilsPapel del ácido cítrico como mecanismo de movilización de fósforo en suelos con alta capacidad de retención del fósforo

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