00495naa a2200169 a 450000100080000000500110000800800410001910000180006024501040007826000090018265000100019165000240020165000190022565000160024470000150026077300500027516029241995-06-27       1980    bl ---       0--  u    #d1 aSHARMA, S. N.  aRelative efficiency of urea, nitrification-inhibitor treated urea and sulphur-coated urea for rice.  c1980  aArroz  aFertilidade do Solo  aNitrificação  aNitrogênio1 aPRASAD, R.  tIndian J. Agron.gv.25, n.3, p.403-409, 1980.