Nutrients in the West African Sudano-Sahelian zone: Losses, transfers and role of external inputs
作者： Andreas Buerkert , Pierre Hiernaux
DOI: 10.1002/JPLN.1998.3581610405
关键词: West african 、 Mineral fertilization 、 Nutrient 、 Environmental science 、 Soil retrogression and degradation 、 West africa 、 Hydrology 、 Agroforestry 、 Nutrient flux
摘要: … Data are presented to show how nutrient exports at the level of individual fields, through … erosion, leaching and volatilisation, arc either losses for the ecosystem or wurces of nutrients …
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