Potassium sulfate, whosale diamond-shaped crystals, colorless. Good solubility in water, does not dissolve in concentrated alkali solutions, pure ethanol, and is not subject to hydrolysis. Melts at 1078°C. Concentrated potash fertilizer containing 50% potassium oxide. In the natural environment contained in the waters of salt lakes, and deposits of potassium salts. Formed with potassium sulfate by the reaction between potassium chloride and sulfuric acid according to the Leblanc process.
The chemical formula is K2SO4.
Where is it applied?
For soil fertilization, cultivation of agricultural crops, in floriculture. It is applied to open and closed ground by irrigation system;
With pre-sowing soil preparation, and top dressing at the vegetative stage;
Depending on soil types, potassium sulfate is applied differently;
It is not used simultaneously with urea and chalk;
Mixed with lime for better effect on acidic soils. Works well on carbonate soils;
On chernozem soils under crops that can absorb a lot of potassium and sodium.
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