00443naa a2200145 a 450000100080000000500110000800800410001910000170006024501250007726000090020265300190021165300210023065300090025177300370026010970701999-10-25       1977    bl ---       0--  u    #d1 aSUMNER, M.E.  aApplication of beaufils diagnostic indices to maize data published in the literature irrespective of age and conditions.  c1977  aANALISE FOLIAR  aNUTRICAO MINERAL  aSOLO  tPlant and Soilgv.46, p.359-369.