00404naa a2200145 a 450000100080000000500110000800800410001910000210006024500670008126000090014865000230015765000090018070000210018977300480021016144721995-06-27       1987    bl ---       0--  u    #d1 aHARPER, S. H. T.  aDecomposition of crop residues and organic matter in the soil.  c1987  aMatéria Orgânica  aSolo1 aJENKINSON, D. S.  tJ. Sci. Food Agric.gv.40, p.125-126, 1987.