00694naa a2200241 a 450000100080000000500110000800800410001910000170006024500950007726000090017265000230018165000210020465000240022565000230024965300230027265300190029565300230031465300120033765300130034965300210036265300230038377300460040614574651994-05-26       1994    bl ---       0--  u    #d1 aCAMPBELL, R.  aBiological control of soil-borne diseasesbsome present problems and different approaches.  c1994  abiological control  aAdubação Verde  aControle Biológico  aMatéria Orgânica  aCommercial inocula  aGreen manuring  aOrganic amendments  aRotacao  aRotation  aScreening system  aSistema de selecao  tCrop Protectiongv.13, n.1, p.4-13, 1994.