00501nam a2200217 a 450000100080000000500110000800800410001910000160006024500310007626000330010730000090014065300110014965300130016065300130017365300190018665300090020570000160021470000150023070000190024570000190026411167192000-11-14       1998    bl uuuu     u0uu1 u    #d1 aPOTTKER, D.  aCalagem em plantio direto.  aPasso Fundo, RS: Metasc1998  a40p.  aACIDEZ  aCALCARIO  aCORRECAO  aPLANTIO DIRETO  aSOLO1 aAMBROSI, I.1 aBENT, J.R.1 aKOCHHANN, R.A.1 aDENARDIN, J.E.