01049naa a2200361 a 450000100080000000500110000800800410001910000270006024500760008726000090016330000090017249000500018150001390023165000160037065000110038665000150039765000160041265000120042865000150044065000090045565000260046465300110049065300190050165300210052065300170054165300300055865300140058865300150060265300090061770000150062670000210064177300250066215478901993-02-11       1982    bl ---       0--  u    #d1 aMADEIRA NETO, J. da S.  aBrazilian problem soilsbdistribution, characteristics and utilization.  c1982  a20p.  a(Tropical Agriculture Research Series, n.15).  aTrabalho apresentado: INTERNATIONAL SYMPOSIUM ON DISTRIBUTION, CHARACTERISTICS AND UTILIZATION OF PROBLEM SOILS, Tsukuba, Japan, 1981.  aagriculture  aBrazil  asoil types  aAgricultura  aCerrado  aProdução  aSolo  aZoneamento Ecológico  aBrasil  aCaracteristica  aDark-red latosol  aEnvironments  aLatossolo vermelho-escuro  aLimitacao  aProduction  aTipo1 aMACEDO, J.1 aAZEVEDO, L. G de  tYatabe : TARC, 1982.