00685naa a2200229 a 450000100080000000500110000800800410001910000170006024500550007726000090013230000160014165000170015765000110017465300140018565300100019965300090020965300130021865300200023165300160025165300090026777301790027618239401994-09-27       1990    bl uuuu     u00u1 u    #d1 aROMAN, E. S.  aEffect of cover crops on the development of weeds.  c1990  ap. 258-262   aErva Daninha  aPlanta  aCobertura  aCover  aCrop  aCulturas  aDesenvolvimento  aDevelopment  aWeed  tIn: INTERNATIONAL WORKSHOP ON CONSERVATION TILLAGE SYSTEMS, 1990, Passo Fundo. Conservation tillage for subtropical areas: proceedings. Passo Fundo: CIDA: EMBRAPA-CNPT, 1990.