Optimization of Water Regime on Meadow-Seriozem Soils under Cotton on the Example of Shirvan Steppe

The article presents the data of the results of observations of the growth phases of plants in the Shirvan steppe, where the cotton variety "Lotus" was planted, and it was found that the density of cotton bushes on the area is approximately 100 pcs. per 1 m2, 111 thousand pcs. per hectare. In one cotton bush, an average of 17.7 cotton bolls were observed. Considering that the mass of raw cotton in one boll is 5.79 grams, the biological productivity of cotton was 102.3 c/ha. The actual cotton yield was 33 c/ha.