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Scanty information on long-term soil organic carbon (SOC) dynamics hampers validation of SOC models in the tropics. We observed SOC content changes in a 16-year continuously cropped agroforestry experiment in Ibadan, south-western Nigeria. SOC levels declined in all treatments. The decline was mo...


Diels, J.Vanlauwe, BernardMeersch, M.K. van derSanginga, N.Merckx, R.[Longterm soil organic carbon dynamics in a subhumid tropical climate: 13C data in mixed C3/C4 cropping and modeling with ROTHC]Longterm soil organic carbon dynamics in a subhumid tropical climate: 13C data in mixed C3/C4 cropping and modeling with ROTHC

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

Vanlauwe, Bernard[Analysis of organic resource quality for parameterisation of simulation models]Analysis of organic resource quality for parameterisation of simulation models

The tree component of agroforestry systems may interfere with N cycling in several ways. In alley cropping systems, first of all, the prunings added during the different activities have a certain biochemical quality and subsequent N release characteristics. Secondly, the quality of the complete o...


Vanlauwe, BernardSanginga, Nteranya[Impact of the tree component on N cycling in agroforestry systems under subhumid tropical conditions]Impact of the tree component on N cycling in agroforestry systems under subhumid tropical conditions

Organic C inputs and their rate of stabilization influence C sequestration and nutrient cycling in soils. This study was undertaken to explore the influence of the combined application of different quality organic resources (ORs) with N fertilizers on the link between aggregate dynamics and soil ...


Chivenge, P.P.Vanlauwe, BernardGentile, RSix, Johan[Organic resource quality influences short-term aggregate dynamics and soil organic carbon and nitrogen accumulation]Organic resource quality influences short-term aggregate dynamics and soil organic carbon and nitrogen accumulation

This study examined the influence of organic residue quality and N fertilizer on aggregate-associated SOM in maize cropping systems of southern Ghana. Six residue treatments of differing quality (Crotalaria juncea, Leucaena leucocephala, maize stover, sawdust, cattle manure and a control with ...


Fonte, Steven J.Yeboah, E.Ofori, PQuansah, GWVanlauwe, BernardSix, Johan[Fertilizer and residue quality effects on organic matter stabilization in soil aggregates]Fertilizer and residue quality effects on organic matter stabilization in soil aggregates

Organic resources (ORs) are essential inputs in tropical farming systems and their decomposition dynamics are related to their quality. A Decision Support System (DSS) for organic N management has been proposed earlier that subdivides ORs in four classes depending on their N, lignin, and soluble ...


Vanlauwe, BernardGachengo, CNShepherd, Keith D.Barrios, E.Cadisch, GeorgPalm, C.A.[Laboratory validation of a resource quality-based conceptual framework for organic matter management]Laboratory validation of a resource quality-based conceptual framework for organic matter management

Fallow management plays a key role in supplying nutrients to the growing crop, suppressing weeds, reducing pests and diseases, and improving the sustainability of cropping systems in the humid forest zone of West and Central Africa. We evaluated soil nutrient concentration, soil acidity and soil ...


Koutika, L.S.Sanginga, N.Vanlauwe, BernardWeise, S.F.[Chemical properties and soil organic matter assessment under fallow systems in the forest margins benchmark]Chemical properties and soil organic matter assessment under fallow systems in the forest margins benchmark

In cropping systems with limited amounts of external inputs, the soil organic matter pool (SOM) may contribute significantly to plant nutrition. The impact of organic inputs on total SOM and particulate organic matter (POM) N contents as affected by soil type and the relationships between sources...


Vanlauwe, BernardAman, S.Aihou, K.Tossah, B.K.Adebiyi, V.Sanginga, N.Lyasse, O.Diels, J.Merckx, R.[Alley cropping in the moist savanna of West Africa III. Soil organic matter fractionation and soil productivity]Alley cropping in the moist savanna of West Africa III. Soil organic matter fractionation and soil productivity

Bationo, B. AndréVanlauwe, BernardAbdoulaye, MSAdamou, A.Kimetu, J.Kihara, JobTabo, RamadjitaKoala, Saidou[Increasing land sustainability and productivity through and fertility management in the West African Sudano-Sahelian zone]Increasing land sustainability and productivity through and fertility management in the West African Sudano-Sahelian zone

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