Effect of Magnesium and Boron Soil Fertilization and Their Interaction on Growth and Yield of Sunflower (Helianthus annuus L.) Grown in Gypsum Soil. EJAS [Internet]. 2026 Sep. 30 [cited 2026 Nov. 5];18(3). Available from: https://ejs-agri.com/index.php/EJAS/article/view/523