3T. H. DeLuca,D. R. Keeney,G. W. McCarty. Effect of freeze-thaw events on mineralization of soil nitrogen[J] 1992,Biology and Fertility of Soils(2):116~120
4A. S. Raghubanshi. Dynamics of soil biomass C, N, and P in a dry tropical forest in India[J] 1991,Biology and Fertility of Soils(1):55~59
5J. Dissing Nielsen,F. Eiland. Investigations on the relationship between P-fertility, phosphatase activity and ATP content in soil[J] 1980,Plant and Soil(1):95~103