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Figure 1

From: Influence of long-term intensive use of irrigated meadow-chernozem soil on the biological activity and productivity of the arable layer

Figure 1

Productivity of crops depending on the use of mineral fertilizers, t/ha (2015–2017 years). On average for 2015–2017 optimization of soil moisture and conditions of mineral nutrition of plants contributed to an increase in barley yield by more than 100%, up to 3.88 t/ha. The collection of dry matter of perennial grasses during the study period in the fertilized version was at the control level due to a decrease in the share of the legume component with long-term use of nitrogen fertilizers.

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