Abstract
On the segregated chernozem of the Central Chernozem zone, in a stationary experiment, the effectiveness of various doses of complete mineral fertilizers was studied in the cultivation of spring barley. The studies were carried out in an eight-field field crop rotation. The soil of the experimental site is segregated chernozem. It was found that the use of mineral fertilizers for the main processing improved the indicators of the effective fertility of ordinary chernozem. Their combined use with foliar feeding of spring barley plants with growth stimulants reduced the content of nitrate nitrogen at low and medium doses of NPK. An increase in the concentration of nitrogen in the vegetative mass of plants with the use of fertilizers was noted. There is a clear varietal dependence in the content of mineral elements.
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