00648naa a2200241 a 450000100080000000500110000800800410001910000220006024500460008226000090012865000160013765000100015365000120016365000100017565000190018565300270020465300230023165300230025465300190027765300210029665300170031777300720033415530811997-09-22       1997    bl ---       0--  u    #d1 aMOREIRA, J. A. A.  aPlantio direto e agricultura sustentavel.  c1997  aagriculture  astraw  aCerrado  aPalha  aPlantio Direto  aAgricultura sustentada  aDegradacao do solo  aSoil deterioration  aSustainability  aSustentabilidade  aZero tillage  tRevista Plantio Direto, Passo Fundogn.38, p.25-26, mar./abr. 1997.