Hamaad, H. S. (2010). EFFECT OF SPACING BETWEEN PLANTS AND NITROGEN FERTILIZATION ON FLOWERING, GROWTH AND YIELD OF SQUASH ( Cucurbita pepo) . Diyala Agricultural Sciences Journal , 2(2), 239–244. Retrieved from https://journal.djas.uodiyala.edu.iq/index.php/dasj/article/view/3318