AL-Jumally, Abul whab. A., and Mohammed O. AL-Jumally. “EFFECT OF HUMIC ACID FOLIAR APPLICATION AND POTASSIUM FERTILIZER ON GROWTH AND YIELD OF POTATO (Solanum tubersumL.) UNDER DRIP IRRIGATION SYSTEM ”. Diyala Agricultural Sciences Journal 4, no. 1 (June 30, 2012): 205–219. Accessed May 16, 2024. https://journal.djas.uodiyala.edu.iq/index.php/dasj/article/view/5747.