The selenium is a micronutrient essential to the perfect growth of plants and animals and by preventing health problems in human population. In plants, selenium acts as an antioxidant by preventing oxidative stress due excessive solar radiation. Animals obtain the micronutrient from roughages and grains and take benefits from selenium supplementation by increasing immune surveillance, improving udder health and ameliorating reproductive performance. Fertilizing selenium to soils is the most ample and security way to increase selenium status of the human population. Among agronomic plants,...