Phosphoric - mineral fertilizers containing phosphorus. The raw material for phosphate fertilizers is apatite and phosphorite. Phosphoric fasting manifests itself in a change in the color of the leaves to a purple, bronze, and a delay in flowering and maturation. Phosphorus plays an important role in the life of fruit and berry crops. It is part of the complex proteins involved in the process of dividing the cell nucleus and in the formation of new plant organs, in the ripening of fruits and berries, contributes to the accumulation of starch, sugar, fat. Phosphorus significantly increases the winter hardiness of plants. It plays an important role in accelerating the ripening of fruits.