00446naa a2200157 a 450000100080000000500110000800800410001910000170006024500670007726000090014465000230015365000090017665300240018570000190020977300600022816097211995-06-27       1988    bl uuuu     u00u1 u    #d1 aWOODS, L. E.  aCultivation and slope position effects on soil organic matter.  c1988  aMatéria Orgânica  aSolo  aBiomassa microbiana1 aSCHUMAN, G. E.  tSoil Sci. Soc. Am. J.gv. 52, n. 5, p. 1371-1376, 1988.