Zakharchenko, E.A. “Effect of Zinc Application on the Maize”. Bulletin of Sumy National Agrarian University. The series: Agronomy and Biology, no. 4(38) (December 25, 2019): 8-14. Accessed December 22, 2024. https://snaubulletin.com.ua/index.php/ab/article/view/35.