فهرس المقالات Phenylalanine ammonia-lyase enzyme حرية الوصول المقاله صفحة الملخص نص كامل 1 - Morphological and Biochemical Responses of Gerbera (<i>Gerbera Jamesonii</i> L.) to Application of Silica Nanoparticles and Calcium Chelate under Hydroponic State Tahereh Tofighi Alikhani Seyed Jalal Tabatabaei Ali Mohammadi Torkashvand Ahmad Khalighi Daryush Talei