THE IMPORTANCE OF MICRONUTRIENTS IN PLANT LIFE. (IN THE EXAMPLE OF THE ELEMENTS BORON AND MANGANESE). Wor.Bul.Pub.Helt. [Internet]. 2021 Jul. 11 [cited 2026 Apr. 18];1(1):4-6. Available from: https://www.scholarexpress.net/index.php/wbph/article/view/2