00464naa a2200181 a 450000100080000000500110000800800410001910000120006024500520007226000090012465000150013365000190014865000090016765000150017665000230019170000140021477300540022813697141998-06-25       1984    bl ---       0--  u    #d1 aRAO, S.  aRole of soil organic matter in urea absorption.  c1984  aadsorption  aorganic matter  aurea  aAdsorção  aMatéria Orgânica1 aAHMAD, N.  tTropical Agriculturegv.61, n.4, p.285-288, 1984.