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畜牧业与作物生产之间的城市级脱及其对肥料使用的影响:来自中国的证据
Xiang Kang1, Mingxi Du1, Qiuyu Liu1
1School of Public Policy and Administration, Xi'an Jiaotong University, Xi'an, China.
The Science of the total environment
|September 17, 2023
概括
在中国,畜牧业和农作物生产的脱导致肥料过度使用. 城市层面的分析显示,空间不平衡阻碍了可持续农业,需要技术之外的政策干预.
科学领域:
- 农业科学 农业科学
- 环境科学 环境科学
- 空间分析 空间分析
背景情况:
- 由于过度使用肥料,中国面临着环境污染,这是由于畜牧业和农作物生产的区域分离.
- 城市层面对畜牧和农作物的整合及其对肥料使用的影响的分析仍未得到充分研究.
研究的目的:
- 评估从2007年到2020年在一个典型的中国农业地区的 (N) 营养素供应和需求.
- 分析畜牧业和农作物生产之间的城市级联结程度及其对肥料使用的影响.
主要方法:
- 使用空间分析技术来评估牲畜和作物的分布.
- 使用回归方法来确定合度对肥料使用的影响.
主要成果:
- 在省级观察到高度的合程度,但在城市层面存在显著的空间异质性.
- 西部四川省的脱,由于牲畜和作物分布不平衡,阻碍了减少肥料的努力.
结论:
- 对于可持续农业来说,仅仅技术发展是不够的;政策工具,如牲畜的空间迁移至关重要.
- 调查结果为城市层面的畜牧作物系统提供了洞察力,为可持续发展提供了农业实践的信息.
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