00536naa a2200181 a 450000100080000000500110000800800410001910000160006024501320007626000090020865300100021765300100022765300150023765300170025265300220026970000190029177300440031010516682007-02-27       1985    bl ---       0--  u    #d1 aMIAN, M. H.  aA 15N traver study to comare nitrogen supply by azolla and ammonium sulphate to IR8 rice plants grown under flooded conditions.  c1985  aArroz  aAzola  aNitrogenio  aSolo alagado  aSulfato de amonia1 aSTEWART, D. P.  tPlant and Soilgv. 83, p.371-379, 1985.