CMB fertilizer Medium element water-soluble fertilizer Calcium≥ 120g/L magnesium≥ 10g/L complexed boron≥ 10g/L Complex sugar alcohols≥ 10g/L nitrogen ≥ 50g/L1. This product uses the world's leading chelation technology to produce calcium, magnesium and boron fertilizer, hormone-free, residue-free is a safe and efficient supplement element Products. 2. This product contains high-efficiency penetrant to quickly replenish calcium, magnesium and boron, improve nutrient absorption and utilization, and promote the healthy growth of crops. 3. The ratio of calcium, magnesium and boron to gold can correct physiological diseases such as cracked fruit, bitter pox, water heart disease, black heart disease, umbilical rot and other physiological diseases caused by calcium deficiency.