[1]
D. D. P. Lucas, A. B. Heldwein, I. C. Maldaner, R. Trentin, F. D. Hinnah, and J. R. da Silva, “Water excess in different soils and sowing times for sunflower in the state of Rio Grande do Sul, Brazil”, PAB, vol. 50, no. 6, pp. 431–440, Jun. 2015.