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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

Crop simulation models have been used successfully to evaluate many systems and the impact of change on these systems, e.g. for climatic risk and the use of alternative management options, including the use of nitrogen fertilisers. However, for low input systems in tropical and subtropical region...


Delve, Robert J.Probert, MECobo Borrero, Juan G.Ricaurte Oyola, José JaumerRivera Pena, MBarrios, E.Rao, Idupulapati M.[Simulating phosphorus responses in annual crops using APSIM : Model evaluation on contrasting soil types]Simulating phosphorus responses in annual crops using APSIM : Model evaluation on contrasting soil types

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