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Nutrient balances are useful tools as indicators of potential land degradation and for optimizing nutrient use, and are thus highly relevant in the African context. A comprehensive literature review on nutrient balances in Africa was carried out to illustrate the main approaches, challenges, and ...


Cobo Borrero, Juan G.Dercon, G.Cadisch, Georg[Nutrient balances in African land use systems across different spatial scales: a review of approaches, challenges and progress]Nutrient balances in African land use systems across different spatial scales: a review of approaches, challenges and progress

Soil erosion is a serious problem in the forest-savanna transition zone or derived savanna of West Africa and Nigeria and needs to be reduced to maintain soil quality and to ensure food security. In 2007, the use of the fallout radionuclide 137Cs as a tracer for estimating the magnitude of medium...


Junge, B.Mabit, L.Dercon, G.Walling, D.E.Abaidoo, R.C.Chikoye, D.Stahr, Karl[First use of the 137Cs techniques in Nigeria for estimating mediumterm soil redistribution rates on cultivated farmland]First use of the 137Cs techniques in Nigeria for estimating mediumterm soil redistribution rates on cultivated farmland

Drawing on qualitative data from a longitudinal case study of a collaborative soil conservation initiative in southern Ecuador, we study how multiple actors, including university experts, development organizations and local communities, make sense of the issues from different perspectives through...


Dewulf, A.Craps, M.Dercon, G.[How issues get framed and reframed when different communities meet: a multilevel analysis of a collaborative soil conservation initiative in the Ecuadorian Andes]How issues get framed and reframed when different communities meet: a multilevel analysis of a collaborative soil conservation initiative in the Ecuadorian Andes

Knowledge of soil spatial variability is important in natural resource management, interpolation and soil sampling design, but requires a considerable amount of geo-referenced data. In this study, mid-infrared spectroscopy in combination with spatial analyses tools is being proposed to facilitate...


Cobo Borrero, Juan G.Dercon, G.Yekeye, TChapungu, LKadzere, CMurwira, ADelve, Robert J.Cadisch, Georg[Integration of mid-infrared spectroscopy and geostatistics in the assessment of soil spatial variability at landscape level]Integration of mid-infrared spectroscopy and geostatistics in the assessment of soil spatial variability at landscape level

Integrated crop-livestock farming in the Guinea savanna of West Africa is often assumed to lead to synergies between crop and livestock production, thereby improving the overall productivity and resilience of agricultural production. Whether these synergies actually occur remains poorly studied. ...


Franke, A.C.Berkhout, E.D.Iwuafor, E.N.O.Nziguheba, GeneroseDercon, G.Vandeplas, I.Diels, J.[Does crop-livestock integration lead to improved crop production in the savanna of West Africa?]Does crop-livestock integration lead to improved crop production in the savanna of West Africa?

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