StateKeyLaboratoryofSoilandSustainableAgriculture;
InstituteofSoilScience;
ChineseAcademyofSciences;
Nanjing210008(China)//GraduateSchoolofChineseAcademyofSciences;
Beijing100039(China);
StateKeyLaboratoryofSoilandSustainableAgriculture;
InstituteofSoilScience;
ChineseAcademyofSciences;
Nanjing210008(China)//SchoolofAgriculturalandForestSciences;
UniversityofWales;
Bangor(UK);
StateKeyLaboratoryofSoilandSustainableAgriculture;
InstituteofSoilScience;
ChineseAcademyofSciences;
Nanjing210008(China);
SchoolofAgriculturalandForestSciences;
UniversityofWales;
Bangor(UK);
DepartmentofEnvironmentalEngineering;
ZhejiangUniversity;
Hangzhou310029(China);
河北; 土壤有机碳密度; 不确定度; 专业土壤知识数据库; 类型统计;