生物质化学组分
chemical component of biomass
土壤生物活性有机质组分
biologically active soil organic fractions
土壤微生物生物量
soil microbial biomas
microbial biomass
Soil microbial biomass
Pollution soil microbial biomass carbon
土壤微生物生物量C
Soil microbial biomass carbon
soil microbial biomass C
土壤微生物生物量N
soil microbial biomass nitrogen
土壤微生物生物量氮
soil microbial biomass N
soil microbial biomass nitrogen
土壤微生物生物量磷
soil microbial biomass phosphorus SMBP
character spacing reference-line