Chemicals&Materials
The second most copious element on Earth is silicon (Si), second only to oxygen. In many soil solutions (liquid components around plant roots), soluble Si exists, such as silicic acid (H4 SiO4), with concentrations similar to many important mineral ions, such as potassium and calcium. Plants can easily utilize this silicon; some species may accumulate … Read More “Characteristics: Silicon nutrition of hydroponic crops” »