4JENKINSON D S, POWLSON D S. The effects of hiocide treatments on metabolism in soil. V: A method for measuring soil biomass[J]. Soil Bio. & Biochem., 1976, 8: 209-213.
5VANCE E D, BROOKS P C, JENKINSON D S. An extraction method for measuring soil microbial biomass C [J]. Soil Bio. & Biochem., 1987, 19(6): 703-707.
6WEST A W, SPARLING G P, SPEIR T W. Microbial activity in gradually dried or rewetted soils as governed by water and substrate availability[J]. Aust. J. Soil Sci., 1989, 27: 747-757.
7ALEF K, KLEINER D. Applicability of arginine ammonification as indicator of microbial activity in different soils [J]. Biology and Fertility of Soils, 1987, 5(2): 148-151.
8JENKINSON D S, OADES J M. A method for measuring adenosine triphosphate in soil[J]. Soil Bio. & Biochem., 1979, 11: 193-199.
9WU J, JOERGENSEN R G, POMMERENING B, CHAUSSOD R, BROOKES P C. Measurement of soil microbial biomass C by fumigation-extraction. An automated procedure [J]. Soil Bio. Biochem., 1990, 22: 1167-1169.
10TATE K R,ROSS K J,FELTHAM C W.A direct extraction method to estimate soil microbial C :effects of experimental variables and some different calibration procedures [J].Soil Biol. Biochem.,1988,20: 329-335.
