MAQBOOL, Rizwan et al. Exploring the effect of zinc and boron application on oil contents, protein contents, growth and yield of sunflower. Semina: Ciências Agrárias, [S. l.], v. 44, n. 4, p. 1353–1374, 2023. DOI: 10.5433/1679-0359.2023v44n4p1353. Disponível em: https://ojs.uel.br/revistas/uel/index.php/semagrarias/article/view/46704. Acesso em: 14 feb. 2026.