00706naa a2200241 a 450000100080000000500110000800800410001910000150006024500710007526000090014630000170015565000220017265000140019465000120020865000140022065000090023465300210024365300170026465300220028165300200030370000190032377301220034215508021996-01-15       1985    bl uuuu     u00u1 u    #d1 aVILELA, L.  aPotassium in intensive cropping systems on highly weathered soils.  c1985  ap.1155-1175.  aintensive farming  apotassium  aCerrado  aPotássio  aSolo  aCultura agricola  aIntemperismo  aSistema intensivo  aWeathered soils1 aRITCHEY, K. D.  tIn: INTERNATIONAL SYMPOSIUM: POTASSIUM IN AGRICULTURE, 1985, Atlanta. Proceedings. Madison : ASA / CSSA / SSSA, 1985.