3Murphy D V,Cookson W R,Braimbridge M,et al.Relationships between soil organic matter and the soil microbial biomass(size,functional diversity,and community structure)in crop and pasture systems in a semi-arid environment[J].Soil Research,2011,49(7):582-594.
4Marschner P,Kandeler E,Marschner B.Structure and function of the soil microbial community in a long-term fertilizer experiment[J].Soil Biology and Biochemistry,2003,35(3):453-461.
