土壤有机氮组分
fractions of organic nitrogen
Soil organic nitrogen component
soil organic nitrogen fractions
轻组组分有机碳
Light fraction organic carbon
有机氮组分
Organic nitrogen fraction
organic N fractions
organic nitrogen forms
organic nitrogen components
济南大学化学化工学院；济南大学土木建筑学院
jinan university
School of Chemistry and Chemical Engineering
进化土壤学
evolutionary soil science
去除土壤有机质
Removal of organic matter from soil
森林土壤有机层
forest soil organic layer
森林土壤有机碳
Forest soil organic carbon
森林土壤有机质
Forest soil organic carbon
土壤化学
soil chemistry
chemical property of soil
pedochemistry
geochemistry
土壤化学成分
Soil chemical property
Soil chemical constituents
土壤化学行为
behavior of soil chemistry
土壤化学性质
soil chemistry property
Chemical properties of soil
soil chemical properties
Soil chemical property
soil chemical characteristics
chemical character of the soil
soil chemistry
soil chemical factors
Soil physicochemical property