Said, Marwan S., and Hameed KH. Khrbeet. 2015. “EFFECT OF FIRST CUTTING AFTER OVER WINTER AND FOLIAR APPLICATION OF NITROGEN ON SEED YIELD AND IT`S COMPONENTS OF ALFALFA (Medicago Sativa L.) ”. Diyala Agricultural Sciences Journal 7 (1):217-29. https://journal.djas.uodiyala.edu.iq/index.php/dasj/article/view/1549.