00429naa a2200157 a 450000100080000000500110000800800410001910000210006024500700008126000090015165000190016065000160017970000170019570000160021277300430022816192951995-06-27       1957    bl ---       0--  u    #d1 aBROADBENT, F. E.  aNitrification of ammoniacal fertilizers in some California soils.  c1957  aNitrificação  aNitrogênio1 aTYLER, K. B.1 aHILL, G. N.  tHilgardiagv.27, n.9, p.247-267, 1957.