00532naa a2200193 a 450000100080000000500110000800800410001910000180006024500870007826000090016565000130017465000120018765000090019965000090020870000180021770000150023570000220025077300660027216078911995-06-27       1988    bl uuuu     u00u1 u    #d1 aSHUMAN, L. M.  aComparison of four phosphorus extraction methods on three acid southeastern soils.  c1988  aFósforo  aMétodo  aSoja  aSolo1 aRAYMER, P. L.1 aDAY, J. L.1 aCORDONNIER, M. J.  tCommun. Soil Sci. Plant Anal.gv. 19, n. 5, p. 579-595, 1988.