00764nam a2200241 a 450000100080000000500110000800800410001902000180006010000200007824501700009826000260026830000100029449000350030465000240033965000210036365000220038465000260040665000120043265000270044465000230047165300120049470000160050612938531998-06-16       1997    bl uuuu      00u1 u    #d  a1-86320-211-01 aCOUGHLAN, K. J.  aA new soil conservation methodology and application to cropping systems in tropical steeplandsba comparative synthesis of results obtained in ACIAR Project PN 9201.  aCanberra: ACIARc1997  a147p.  a(ACIAR Technical Reports, 40).  aapplication methods  acropping systems  asoil conservation  aConservação do Solo  aMétodo  aMétodo de Aplicação  aSistema de Cultivo  aMethods1 aROSE, C. W.