Effect of different Levels of Fertilizer (DAP) onthe Publican (Calotropis procera) Leaves Content of Phenol and (N, P, K) Compounds. مجلة للعلوم الزراعية [Internet]. 2021 Jul. 2 [cited 2026 Jun. 18];34(1). Available from: https://journal.damascusuniversity.edu.sy/index.php/agrj/article/view/203