00515naa a2200205 a 450000100080000000500110000800800410001910000170006024500600007726000090013765000100014665000110015665000160016765300210018365300120020470000170021670000140023370000170024777300450026416179331995-06-27       1992    bl ---       0--  u    #d1 aSINGH, R. P.  aNitrogen fertilizer management in rainfed lowland rice.  c1992  aArroz  aManejo  aNitrogênio  aADUBACAO QUIMICA  aREVISAO1 aSINGH, M. P.1 aSINGH, Y.1 aSINGH, V. P.  tAgric. Rev.gv.13, n.3, p.119-128, 1992.