00443naa a2200157 a 450000100080000000500110000800800410001910000200006024500760008026000090015665000120016565000160017770000180019370000190021177300550023015992811995-06-27       1976    bl ---       0--  u    #d1 aGALLAHER, R. N.  aA semiautomated procedure for total nitrogen in plant and soil samples.  c1976  aMétodo  aNitrogênio1 aWELDON, C. O.1 aBOSWELL, F. C.  tSoil Sci. Soc. Am. J.gv.40, n.6, p.887-889, 1976.