Metwally, Ashraf, Rasha El-Shazoly, and Afaf Hamada. “Physiological Responses to Excess Boron in Wheat Cultivars”. European Journal of Biological Research 7, no. 1 (March 31, 2017): 1-8. Accessed March 29, 2024. http://www.journals.tmkarpinski.com/index.php/ejbr/article/view/180.