the best chemical fertilizer dissolved in water, which facilitates the process of use Low salinity, which is easy to use in saline soil It is easily absorbed through roots and leaves Prevents the appearance of the syphilis on the fruit (tomatoes-pepper-cucumbers) Increases the hardness of the fruit and its storage capacity It is used at a rate of 5 grams per liter of water in the case of symptoms of calcium deficiency is used at a rate of 7 grams per liter of water