Magnesium Sulphate Heptahydrate, used in magnesium fertilzier, it is a kind of water soluble fertlizer. Magnesium is an essential medium nutrient for plants. Magnesium is a constituent element of chlorophyll, and many enzymes activator participate in protein synthesis. The symptoms of magnesium deficiency in crops first appeared on the lower old leaves, with chlorosis between veins, dark green spots on the base of leaves, yellow or white leaves from light green, and brown or purple-red spots or stripes. Grass, soybean, peanut, vegetable, rice, wheat, rye, potato, grape, tobacco, sugarcane, sugar beet, citrus and other crops have a better response to magnesium fertilizer.
