A METHOD TO ESTIMATE FARMLAND POLLUTION LOAD OF LIVESTOCK MANURE NUTRIENT IN FIELD PATCH SCALE
文献类型： 外文期刊
作者： Yan, Bojie 1 ; Qian, Yonggang 2 ; Pan, Yuchun 3 ;
作者机构： 1.Minjiang Univ, Dept Geog, Fuzhou 350108, Peoples R China
2.Chinese Acad Sci, Acad Optoelect, Beijing 100094, Peoples R China
3.Natl Engn Res Ctr Informat Technol Agr, Beijing 100089, Peoples R China
关键词： livestock manure; phosphorus nutrient; field patch; spatial discrepancy
期刊名称：FRESENIUS ENVIRONMENTAL BULLETIN （ 影响因子：0.489； 五年影响因子：0.479 ）
ISSN： 1018-4619
年卷期： 2016 年 25 卷 6 期
页码：
收录情况： SCI
摘要： Farmland pollution load of livestock manure nutrient is an important factor of the environmental pollution, and excessive application of livestock manure will produce a serious impact on the ecology and environment. A new method was proposed to estimate farmland pollution load of livestock manure nutrient and the procedure was shown as follows. Firstly, phosphorus nutrient from livestock manure was estimated in Daxing district. Secondly, the estimation model of farmland pollution load of livestock manure nutrient was proposed. Finally, the farmland pollution load of phosphorus nutrient in field patch scale of Daxing district in Beijing was estimated and compared to the farmland pollution load of phosphorus nutrient by traditional statistical analysis method. The results showed that the method proposed is more reasonable to estimate the farmland pollution load of livestock manure nutrient in field patch scale
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