INFLUENCE OF BIOLOGICS ON WATER CONSUMPTION OF WINTER BARLEY AND SUNFLOWER IN CONDITIONS OF UKRAINIAN SOUTHERN STEPPE

The article analyzes the value of the studied crops for the Steppe zone of Ukraine, their total water consumption during the growing years under the influence of nutritional optimization by using biologics. The main attention is paid to the peculiarities of moisture consumption of winter and sunflower barley plants for the formation of the crop unit and changes in this indicator under the influence of resource-saving nutrition. It has been established that regardless of the weather conditions of the growing years, the use of modern biologics for extracurricular feeding during the main periods of vegetation of both crops, contributes to a more economical use by plants of soil moisture and precipitation that fell during vegetation. Thus, the coefficient of water consumption of winter barley, depending on varietal features, the year of cultivation and the food option, decreases from 10,8 to 30,1%, and sunflower from 39,4 to 44,2% compared to inconvenient control.