00417nam a2200169 a 450000100080000000500110000800800410001910000170006024500570007726000290013430000110016365000180017465000110019265000090020365300140021270000210022615377932009-06-24       1992    bl uuuu      00u1 u    #d1 aCOSTA, C. V.  aSimposio sobre manejo e conservacao do solo - anais.  aCampinas : Cargillc1992  a167 p.  aConservação  aManejo  aSolo  acongresso1 aBORGES, L. C. V.