The role of magnesium ions for the growth and development of tomatoes when growing in protected soil conditions

Summary

Tomato is one of the main and popular vegetable crops not only in Ukraine, but throughout the world. According to the Food and Agricultural Organization (FAO), tomatoes occupy the first place in the world in terms of cultivated areas among all vegetables — more than 4 million hectares. In Ukraine, about 93,000 hectares — about 24% of the total area under vegetables — are devoted to this culture. With the advent of high-intensity technologies with the use of drip irrigation systems, tomato yields of 120–140 t/ha in open ground, and more than 50 kg/m2 in sheltered ground, became real. Nowadays, the method of small-volume hydroponics with the use of drip irrigation is becoming more and more widespread in greenhouse farms. As a substrate, special materials are used — mineral wool, coconut, pea