Calcium and magnesium are two of the macro elements that are of major importance to the growth and development of plants. Deficiencies in either one of them will lead to a stuck in growth. Since magnesium and calcium are needed in a rich amount, especially under certain growing conditions calcium/magnesium deficiencies are not uncommon. To make sure that your plants will get the right amount of calcium and magnesium, Dutchpro formulated its own revolutionized calcium/magnesium with added nitrogen to balance out the extra need of nitrogen.