Plants can absorb nutrients not only through the root system but also through the above-ground parts - leaves and stems. The aqueous solutions of nutrients penetrate the conductive tissue in the leaves mainly through the cuticle and the epidermis on the continuous channels formed by the pectin substances. The intensity of nutrient intake in the leaves depends on the composition of the nutrient solution, plant growth phase, temperature and humidity. Young leaves absorb the nutrients better than old leaves. The best effect of leaf fertilization is in the period of maximum life activity and in the period of formation of the reproductive organs. The nutrients entering the leaves are included in the metabolism in the plant, which affects the process of photosynthesis, ferment activity and total crop productivity.
As a result of the complex effects on the soil, soil microflora and plants, there is a significant increase of the yield.