Duarte, E.F. 2014. Study of the time of initiation of irrigation of five varieties of rice (Oryza sativa L.) in Baixada Fluminense. Pesquisa Agropecuaria Brasileira. 4, 1 (Apr. 2014), 39–45. DOI:https://doi.org/10.1590/S1678-3921.pab1969.v4.17775.