With the objective of evaluating the effect of row spacing in the agronomic characteristics of three hybrids of sunflower, a trial was carried out on the FESURV–Universidade de Rio Verde experimental campus in Rio Verde, GO. The hybrids Agrobel 960, BRHS 5 and Hélio 251 were evaluated, with 60.000 plants ha-1 in the row spacings of 40 and 50 cm. The random blocks design was used, in a 2x3 factorial scheme, with...