00621nam a2200229 a 450000100080000000500110000800800410001902000180006010000170007824500910009526000390018630000110022565000160023665000110025265000210026365000170028465300260030165300110032770000170033870000180035570000180037312978201995-06-06       1979    bl uuuu     u01u1 u    #d  a0-250-40271-81 aLOEHR, R. C.  aBest management practices for agriculture and silviculturebproceedings of the 1978...  aAnn Arbor: Ann Arbor Sciencec1979  a740 p.  aAgricultura  aManejo  aRecurso Hídrico  aSilvicultura  aEcossistema florestal  aManual1 aHAITH, D. A.1 aWALTER, M. F.1 aMARTIN, C. S.