Article ID Journal Published Year Pages File Type
6333097 Science of The Total Environment 2013 11 Pages PDF
Abstract
► Despite the land policies, nutrients input were increased from 1993 to 2008. ► Farmland policy has advantages on nutrient usage efficiency and pollution discharge. ► Correlations of nutrients input and output was analysed by Mitscherlich model. ► Increasing nutrients in land of smallholder has less expectation on crop uptake.
Related Topics
Life Sciences Environmental Science Environmental Chemistry
Authors
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