InstituteofSoilScience;
ChineseAcademyofSciences;
Nanjing210008(China)//DepartmentofSpatialInformationScience;
NanjingUniversityofInformationScienceandTechnology;
Nanjing210044(China);
InstituteofSoilScience;
ChineseAcademyofSciences;
Nanjing210008(China);
中国; 经济因素; 时空变化; 氮; 磷; 钾; 土壤化学平衡;