Interference of soil soluble inorganic P in measurement of soil microbial biomass P;
了解土壤无机磷含量对土壤微生物量磷及碳磷比的影响。
Soil available P was not affected by nematodes, while soil microbial biomass P increased obviously with the inoculation of nematodes.
接种线虫对土壤有效p的提高不明显，而对土壤生物量P有显著的增加。
Soil microbial biomass P is a valuable resource to plant P nutrient, and also play an important role in the transformaion of soil phosphorus.
土壤微生物生物量磷是植物磷素营养极其重要的来源，对土壤磷素的供给和调节起着重要作用。
Results showed that soil microbial biomass C, N, P significantly decreased after addition of atrazine. As composed with control, microbial biomass C, N and P decreased averagely 13.5%, 10.1%, 20.0%.
研究结果表明，在整个培养过程中，仅加莠去津的土壤中微生物生物量碳、氮、磷的含量均显著降低，与对照相比，分别平均降低了13.5%，10.1%，20.0%。
Results showed that soil microbial biomass C, N, P significantly decreased after addition of atrazine. As composed with control, microbial biomass C, N and P decreased averagely 13.5%, 10.1%, 20.0%.
研究结果表明，在整个培养过程中，仅加莠去津的土壤中微生物生物量碳、氮、磷的含量均显著降低，与对照相比，分别平均降低了13.5%，10.1%，20.0%。
应用推荐