湖北农业科学2025，Vol.64Issue(8)：62-72,11.DOI:10.14088/j.cnki.issn0439-8114.2025.08.010
2000-2020年中国主要作物氮、磷肥施用时空变化
Spatial-temporal changes of nitrogen and phosphorus fertilizer application for major crops in China from 2000 to 2020
摘要
Abstract
By integrating statistical data and remote sensing information,a spatiotemporal dataset of nitrogen and phosphorus fertilizer application rates for 14 major crops in 2000,2010,and 2020 was constructed,and changes in sown area,fertilization intensity,and fertilizer application amount were analyzed.The results showed that from 2000 to 2020,the sown area of major crops in China contin-ued to increase,with a growth rate of 12.18%.The nitrogen fertilizer application intensity of 9 crops decreased significantly,with a re-duction range of 7.91%to 54.12%,while the phosphorus fertilizer application intensity of 10 crops showed an upward trend,with an increase range of 1.62%to 191.17%.Spatially,nitrogen and phosphorus fertilizer application amounts showed similar regional differ-ences,with the Huanghuai region having the highest application amount.The proportion of nitrogen fertilizer application for the three major staple crops remained above 80%,and that of phosphorus fertilizer application remained above 70%.In terms of temporal chang-es,the nitrogen fertilizer application amount of major crops in China generally showed a decreasing trend,with an overall reduction of 14.57%,while the phosphorus fertilizer application amount showed an increasing trend,with an overall increase of 26.98%.This in-crease mainly occurred in northern China.关键词
氮肥/磷肥/施肥强度/播种面积/时空变化/中国Key words
nitrogen fertilization/phosphorus fertilization/fertilization intensity/sown area/spatial-temporal changes/China分类
资源环境引用本文复制引用
魏静,左丽君,汪潇,胡顺光,张增祥,刘晏君,全洛平..2000-2020年中国主要作物氮、磷肥施用时空变化[J].湖北农业科学,2025,64(8):62-72,11.基金项目
国家自然科学基金项目(T2261129473) （T2261129473）
可持续发展大数据国际研究中心专项(CBAS2023SDG001) （CBAS2023SDG001）
