Hordiienko, I., H. Yarovyi, L. Terokhina, and L. Uriupina. “INFLUENCE OF SULFUR–CONTAINING FERTILIZERS ON YIELD AND QUALITY OF ONIONS”. Vegetable and Melon Growing, no. 67 (July 31, 2020): 57-63. Accessed September 23, 2020. https://vegetables-journal.com/index.php/journal/article/view/280.