01037nam a2200325 a 450000100080000000500110000800800410001910000190006024501070007926002120018630000120039865000120041065000120042265000150043465000100044965000090045965000100046865000130047865000230049165300110051465300100052565300130053565300100054865300410055865300260059965300360062570000160066170000150067770000190069213979312022-12-06       1997    bl uuuu     u00u1 u    #d1 aKATO, M. S. A.  aOrganic matter management in acid soils of the eastern Amazon region of Brasil.h[electronic resource]  aIn: INTERNATIONAL SYMPOSIUM ON PLANT-SOIL INTERATIONS AT LOW, pH, 4., 1996, Belo Horizonte. Plant-soil interations at low ph: sustainable agriculture and forestry production: proceedings. Viçosa: SBCSc1997  ap. 217.  abiomass  acowpeas  acrop yield  acrops  arice  aArroz  aBiomassa  aProdução Vegetal  aBrasil  aCaupi  aNordeste  aPará  aPropriedade físico-química do solo  aRendimento de cultivo  aSoil chemicophysical properties1 aKATO, O. R.1 aDENICH, M.1 aVLEK, P. L. G.