Mahdi, Abdulkhaliq Saleh, and Hussein Aziz Mohammed. 2009. “Effect of Moisture Tension, Seed Hardening and Potassium Fertilizer into the Quantity and Quality Characteristics of Corn Plant. ”. Diyala Agricultural Sciences Journal 1 (1):83-94. https://journal.djas.uodiyala.edu.iq/index.php/dasj/article/view/3195.