有机磷形态
organic phosphorous forms
soil organic phosphorous
form of organic Phosphorus
organic phosphorus types
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Cu形态
Chemical forms of Cu in soil
土壤磷有效性
soil phosphorous availability
土壤有机、森林－草原生态系、δ13C值
Soil organic matter
forestgrassland ecosystem
13C value
土壤有机C的积累
soil organic carbon accumulation