Integrated nutrient management in crop-livestock systems in China contributes to achieving safe planetary boundaries for nitrogen and phosphorus
文献类型： 外文期刊
作者： Zhang, Tao 1 ; Zhu, Xueqin 3 ; Hou, Yong 2 ; Weikard, Hans-Peter 3 ; Fang, Qunchao 2 ; Tan, Meixiu 4 ; Ma, Yifei 5 ; Oenema, Oene 2 ;
作者机构： 1.Zhejiang Acad Agr Sci, Inst Environm Resource Soil & Fertilizer, Hangzhou 310021, Peoples R China
2.China Agr Univ, Natl Acad Agr Green Dev, Coll Resources & Environm Sci, Beijing 100193, Peoples R China
3.Wageningen Univ & Res, Environm Econ & Nat Resources Grp, POB 8130, NL-6700EW Wageningen, Netherlands
4.Wageningen Univ & Res, Wageningen Environm Res, POB 47, NL-6700AA Wageningen, Netherlands
5.Fujian Agr & Forestry Univ, Int Magnesium Inst, Coll Resources & Environm, Fuzhou 350002, Peoples R China
关键词： Crop production; Fertilizer use; Manure management; Nitrogen; Phosphorus; Mitigation measures
期刊名称：AGRICULTURAL SYSTEMS （ 影响因子：6.1； 五年影响因子：7.0 ）
ISSN： 0308-521X
年卷期： 2025 年 229 卷
页码：
收录情况： SCI
摘要： CONTEXT: Nitrogen (N), phosphorous (P) and potassium (K) are essential nutrient elements for food production. However, the poor management of these nutrients in soils, manures, and synthetic fertilizers has contributed to significant environmental pollution and depletion of natural resources, worldwide. OBJECTIVE: This study evaluated how integrated nitrogen (N), phosphorus (P), and potassium (K) management-combining soil nutrients, manure recycling, and synthetic fertilizers-affects synthetic fertilizer demand and nutrient losses in China's crop-livestock systems, with a focus on optimizing nutrient use efficiency and minimizing environmental impacts. METHODS: We considered manure nutrient allocation over various soil-crop systems at the county level under integrated nutrient management, i.e., balanced NPK fertilization, improved manure recycling, using a linear programming model and scenario analysis. Two ecologically contrasting regions were examined, North China and Yangtze River Economic Belt, which produce food for half a billion people.
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