Solu B, SL – fertilizer with a high concentration of boron (150 g/l), it is used for foliar application. The fertilizer is easily absorbed by the plants. It is used to compensate the deficiency of boron. Boron provides resistance to diseases, increases the yield and its quality, improves the synthesis and transport of carbohydrates in plants, plays an important role in cell division, protein synthesis and transport of hormones of auxin group. .