00444nam a2200145 a 450000100080000000500110000800800410001910000220006024501110008226000300019330000180022365300240024165300240026565300090028911170192000-11-29       1997    bl uuuu     u0uu1 u    #d1 aWILDNER, L. do P.  aTraining curse on soil management and improvement with emphasis on conservation effective tillege methods.  aChapeco, SC: Epagric1997  anao paginado.  aCONSERVACAO DO SOLO  aPLANTIO EM CONTORNO  aSOLO