Mineral balance drives dairy goat health, fertility, and milk yield. Learn how trace elements like zinc, copper, and selenium ...

Selenium is an essential element for life in humans and other animals, and selenium deficiency can be a major health problem. Because of that, farmers and ranchers sometimes try to get more selenium ...

Stanleya pinnata, or "prince's plume," takes up large amounts of selenium from the soil. Danita Delimont/Getty Images At first glance, the long, thin leaves and pale green shoots of Stanleya pinnata, ...

image: Today many agricultural plants are grown using hydroponics, i.e. in artificial soilless environments. The source of nutrients for the plants is a special substrate surrounding their roots.