00470nam a2200193 a 450000100080000000500110000800800410001910000180006024500570007826000290013530000090016465300160017365300110018965300240020065300130022465300110023765300190024865300090026711150952000-11-23       1980    bl uuuu     u0uu1 u    #d1 aASSIS, A.F.F.  aA experiencia brasileira no controle a erosao rural.  aCampinas, SC: Catic1980  a42p.  aAGRICULTURA  aBRASIL  aCONSERVACAO DO SOLO  aCONTROLE  aEROSAO  aEROSAO DO SOLO  aSOLO