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Basamba, T.A.Barrios, E.Amézquita Collazos, EdgarRao, Idupulapati M.Singh, B.R.[Efecto de sistemas de labranza en el rendimiento de maíz en un oxisol de la sabana colombiana: fraccionamiento de materia orgánica y fósforo del suelo]Efecto de sistemas de labranza en el rendimiento de maíz en un oxisol de la sabana colombiana: fraccionamiento de materia orgánica y fósforo del suelo

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

Soil organic matter (SOM) and phosphorus (P) fractions play a key role in sustaining the productivity of acid-savanna oxisols and are greatly influenced by tillage practices. In 1993, a long-term experiment on sustainable crop rotation and ley farming systems was initiated on a Colombian acid-sav...


Basamba, T.A.Barrios, E.Amézquita Collazos, EdgarRao, Idupulapati M.Singh, B.R.[Tillage effects on maize yield in a Colombian savanna oxisol : Soil organic matter and P fractions]Tillage effects on maize yield in a Colombian savanna oxisol : Soil organic matter and P fractions

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