Uhdre, R. S., A. R. Manningel, A. E. A. Ecker, M. Sorace, J. H. Castaldo, and A. Nolla. “Cultivation of Helianthus Annuus L. Cv. Sunflower Sunspot Dwarf With Silicon Application”. Scientific Electronic Archives 10, no. 2 (April 15, 2017): 64–67. Accessed July 27, 2024. https://sea.ufr.edu.br/index.php/SEA/article/view/435.