Effect of Organic and Chemical Fertilizers Treatments on Growth and Productivity of Maize and Sorghum and Sunflower. مجلة للعلوم الزراعية [Internet]. 2021 Jun. 30 [cited 2026 Jul. 8];36(2). Available from: https://journal.damascusuniversity.edu.sy/index.php/agrj/article/view/172