Hammada, Ayad A., Khalaf M. Khalefah, and Aiad A. Khalaf. 2017. “EFFECT OF PHOSPHATE FERTILIZER TYPE AND ITS LEVELS ON GROWTH, AND YIELD OF WHEAT (Triticum Aestivum L.) IN A GYPSIFEROUS SOIL”. Diyala Agricultural Sciences Journal 9 (2):231-39. https://journal.djas.uodiyala.edu.iq/index.php/dasj/article/view/3383.