Mota, F.S. da 2014. AgrocIimatic zoning for sunflower in the State of Rio Grande do Sul, Brazil. Pesquisa Agropecuaria Brasileira. 25, 1 (Apr. 2014), 39–42. DOI:https://doi.org/10.1590/S1678-3921.pab1990.v25.13335.