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 C
Soil microbial biomass carbon
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