TY - SER AU - Pinheiro,B.S. AU - Austin,R.B. AU - Carmo,M.P.do AU - Hall,M.A. TI - Carbon isotope discrimination and yield of upland rice as affected by drought at flowering KW - Arroz Sequeiro KW - Floracao KW - Deficiencia Hidrica KW - Resistencia a Seca KW - Produtividade KW - Carbono ER -