00563naa a2200181 a 450000100080000000500110000800800410001910000190006024501510007926000090023065000180023965000160025765300100027365300120028370000230029570000200031877300430033816027521995-06-27       1981    bl ---       0--  u    #d1 aMINCHIN, F. R.  aNitrogen nutrition of cowpeas (Vigna unguiculata) effects of timing of inorganic nitrogen applications on nodulation, plant growth and seed yield.  c1981  aFotossíntese  aNitrogênio  aCAUPI  aUAPNPBS1 aSUMMERFIELD, R. J.1 aNEVES, M. C. P.  tTrop. Agric.gv.58, n.1, p.1-12, 1981.