2000一2020年中国主要作物氮、磷肥施用时空变化

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关键词：氮肥；磷肥；施肥强度；播种面积；时空变化；中国

中图分类号：X820.4 文献标识码：A

文章编号：0439-84（2025）08-0062-

DOI：0.4088/j.cnki.issn0439-8114.2025.08.010 开放科学（资源服务）标识码（OSID）：

Spatial-temporal changes of nitrogen and phosphorus fertilizer application for major crops in China from 2000 to 2020

WEI Jing ⋅1，2 ， ZUO Li-jun1，WANG Xiao 1 ，HU Shun-guang1，ZHANG Zeng-xiang1，LIU Yan-jun 1，2 ，QUAN Luo-ping1.2

（1.Aerospace Information Research Institute，Chinese Academy of Sciences，Beijing 1O0101，China; 2.College of Resourcesand Environment，Universityof Chinese Academy of Sciences，Beijing10o049，China）

Abstract：Byintegratingstatisticaldataandremotesensingiformatio，spatiotemporaldatasetofrogeandphosphousfertiler applicationratesfor14majorcrops in2oo，2010，nd2O2Owasconstructed，andchanges insowarea，fertlizationintensityand fertlzerapplicationamountwereanalyzed.Theresultsshowedthatfrom2OoOto2O20，thesownareaofmajorcropsinChinacontinued to increase，with a growth rate of 12.18% .The nitrogen fertilizer application intensity of9 crops decreased significantly，with a reduction range of 7.91% to 54.12% ，while the phosphorus fertilizer application intensity of 1O 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 differences，withtheHuanghuairegionhavingtehighestapplicationamount.Teproportionofitrogefertlizerapplicationforethee major staple crops remained above 80% ，and that of phosphorus fertilizer application remained above 70% . In terms of temporal changes，thenitrogenfertilzerapplicationamountofajropsinCinagenrallysowedadcreasngtrend，withanoverallductioof 14.57% ，while the phosphorus fertilizer application amount showed an increasing trend，with an overall increase of 26.98% . This increase mainly occurred in northern China.

Key Words：nitrogenfertilization;hosphorusfertilization；fertilizationintensity；sownarea；spatial-temporalchanges；China

随着中国经济的快速发展和人口的不断增长，农业生产对资源的需求日益增加。（剩余13382字）