00520naa a2200193 a 450000100080000000500110000800800410001910000160006024500670007626000090014365000160015265000110016865000160017965000120019565000190020765300110022665300170023777300720025415540741998-03-06       1997    bl ---       0--  u    #d1 aLANDERS, J.  aA transformacao da agricultura do cerrado pelo plantio direto.  c1997  aagriculture  aBrazil  aAgricultura  aCerrado  aPlantio Direto  aBrasil  aZero tillage  tRevista Plantio Direto, Passo Fundogn.41, p.41-43, set./out. 1997.