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 up to 10% of their dry matter.
Potassium silicate K2 SiO3 has long been used in what is commonly referred to as water or liquid glass. It is formed by the conjunction of potassium hydroxide and silicon dioxide, which is why it is strongly alkaline. The moisture content of different formulas may vary.
The benefits of silicon in field and greenhouse crops are well documented. Growers can benefit from using it correctly and regularly as part of their nutrient management plan.
Potassium silicate plays various important roles in plants, mainly including:
Improving crop stress resistance performance
Potassium silicate can enhance the hardness and resistance of plant cell walls, thereby improving crop stress resistance, such as disease resistance, drought resistance, and wind resistance. In addition, potassium silicate can increase plant bodies’ silicon content, improving crop cold and disaster resistance.
Enhancing plant resistance
Potassium silicate can promote the plant’s ability to resist diseases and pests and enhance its resistance to pathogens and pests. Potassium silicate can form a silicate layer in the cell walls of plants, increasing their hardness and thickness, thereby enhancing the mechanical strength of plant cells and reducing the invasion of pathogens or pests. In addition, potassium silicate can also enhance plants’ immunity by activating their defense mechanisms, such as increasing their enzyme activity against biological stress and producing bioactive substances.
Improve crop quality and yield.
Potassium silicate can regulate soil pH, promote plant root development, and increase plant growth rate and yield.
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