01051naa a2200325 a 450000100080000000500110000800800410001910000190006024501480007926000090022752001800023665000130041665000160042965000150044565000150046065000240047565000240049965000170052365000090054065000150054965000160056465300110058065300090059165300100060065300140061070000160062470000150064070000190065577300510067413457132024-07-03 1999 bl uuuu u00u1 u #d1 aKATO, M. S. A. aFire-free alternatives to slash-and-burn for shifting cultivation in the eastern Amazon regionbthe role of fertilizers.h[electronic resource] c1999 aThe objective of this study in Para State, Brazil, was to evaluate fire-free alternatives to burning of the slashed fallow vegetation for crop production in the humid tropics. aAmazonia afertilizers avegetation aAdubação aCultivo Migratório aFertilidade do Solo aFertilizante aFogo aRendimento aVegetação aBrasil aFire aPará aTipitamba1 aKATO, O. R.1 aDENICH, M.1 aVLEK, P. L. G. tField Crops Researchgv. 62, p. 225-237, 1999.