00716nam a2200181 a 450000100080000000500110000800800410001910000210006024501610008126000730024250001070031565000130042270000150043570000200045070000200047070000210049070000230051114871042015-11-16       2003    bl uuuu     u00u1 u    #d1 aDURAES, F. O. M.  aCharacterization of maize physiological responses to nitrogen stress by using chlorophyll fluorescence and gas exchange measurements.h[electronic resource]  aBrazilian Journal of Plant Physiology, Campinas, v. 15, p. 407c2003  aSuplemento.  Edição dos resumos do IX Congresso Brasileiro de Fisiologia Vegetal, 2003, Atibaia, SP.  aZea mays1 aHONG, S-D.1 aSCHEPERS, J. S.1 aSHANAHAN, J. F.1 aMAGALHAES, P. C.1 aOLIVEIRA, A. C. de