00456naa a2200169 a 450000100080000000500110000800800410001910000210006024500690008126000090015065000120015965000240017165000140019565000160020970000170022577300440024216192921995-06-27       1965    bl ---       0--  u    #d1 aBROADBENT, F. E.  aEffect of pH on nitrogen immobilization in two California soils.  c1965  aCálcio  aFertilidade do Solo  aMagnésio  aNitrogênio1 aTYLER, K. B.  tPlant Soilgv.23, n.3, p.314-322, 1965.