Alvarenga, M.A.R. et al. 2014. Response of flooded rice cultivars to nitrogen as affected by row spacing, seed rate and weed control. Pesquisa Agropecuaria Brasileira. 14, 4 (Apr. 2014), 377–385. DOI:https://doi.org/10.1590/S1678-3921.pab1979.v14.16736.