EFFECT OF NITROGEN LEVELS AND FOLIAR APPLICATION WITH IRON AND ZINC ON GROWTH AND YIELD OF THE )Lactuca sativa L.)
Al-Mağallaẗ al- irāqiyyaẗ li-dirāsāt al- ṣaḥrāʾ/Al-Maǧallaẗ al-ʻirāqiyyaẗ li-dirāsāt al-ṣaḥrāʼ