Boron is a basic micronutrient in many metabolic functions in plants, such as nucleic acids, carbohydrates and proteins synthesis, auxin metabolism, and many other functions especially in fruit formation
Using boron must be under supervision of nutrition experts and soil and water examination because thin spectrum between deficiency and toxicity of this element,
Some plants need more amounts of boron like sugar beet, sunflower and grape trees and some plants like citrus plants and cucumber are susceptible to high amounts of boron