Effect of Magnesium and Boron Soil Fertilization and Their Interaction on Growth and Yield of Sunflower (Helianthus annuus L.) Grown in Gypsum Soil. Euphrates journal of agricultural science, [S. l.], v. 18, n. 3, 2026. Disponível em: https://ejs-agri.com/index.php/EJAS/article/view/523. Acesso em: 4 nov. 2026.