00502naa a2200181 a 450000100080000000500110000800800410001910000190006024500820007926000090016165300100017065300130018065300130019365300150020665300150022170000210023677300630025711091212010-11-18       1988    bl ---       0--  u    #d1 aDE DATTA, S. K  aMethodology for evatuating nitrogen utilization efficiency by rice genotypes.  c1988  aArroz  aEvolucao  aGenotipo  aNitrogenio  aUtilizacao1 aBROADBENT, F. E.  tAgronomy Journal, Madisongv.80. p.793-798, Sep-Oct. 1988.