00549naa a2200169 a 450000100080000000500110000800800410001910000160006024501380007626000090021465000150022365000160023865300240025470000160027870000190029477300660031318407462010-01-10       1988    bl ---       0--  u    #d1 aTATE, K. R.  aA direct extraction method to estimate soil microbial cbeffects of experimental variables and some different calibration procedures.  c1988  aExtração  aFumigação  aBiomassa microbiana1 aROSS, D. J.1 aFELTHAM, C. W.  tSoil Biology and Biochemistrygv. 20, n. 3, p. 329-335, 1988.