Bazl,S , , Dashti,F , and Delshad,M . "Effects of different levels of sulfur and selenium on some morphological and antioxidant properties of onion (Allium cepa L.) cv. Germez Azarshahr", Iranian Journal of Horticultural Science, 48, 3, 2017, 623-633. doi: 10.22059/ijhs.2017.218315.1108