Al-Ethawi, L. A. . (2018) “A STUDY OF THE RESIDUAL EFFECT OF PHOSPHORUS FERTILIZER IN SOIL ”, Diyala Agricultural Sciences Journal , 10(2), pp. 167–173. Available at: https://journal.djas.uodiyala.edu.iq/index.php/dasj/article/view/1074 (Accessed: 30 April 2026).