Determination the Concentration Elements of Cultivation Media (Peat Moss, Perlite and Hormone) Using X-ray Fluorescence Technique. Iraqi Journal of Science [Internet]. 2018 Oct. 31 [cited 2024 May 4];59(4A):1769-77. Available from: https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/398