It is widely used on sensitive vegetables and fruit crops that require high fertilization rates, but do not tolerate high levels of chloride or soluble salts. It also helps activate more than sixty enzymes, making them available to stimulate other chemical processes within the plant.
Adequate potassium is essential for fruit formation, optimum yields and high quality.
Magnesium activates a large number of enzymes in the plant and is also required for the synthesis of chlorophyll - the vital green pigment necessary for sugar manufacturing in plants. Sulfur activates a number of enzymes, is vital to the formation of amino acids, is crucial in the production of protein and is especially important to plants with high oil content.