[Estimation of livestock manure nitrogen load and pollution risk evaluation of farmland in Daxing District].

Abstract

Based on the livestock statistical data, the nutrient content of livestock manure was calculated and the nutrient transformation from livestock manure to farmland was realized by using the method of spatializing livestock manure nutrient. On this basis, this paper calculated nitrogen load of livestock manure combining with the area of farmland and realized… (More)

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