Influence of the Duration of the Use of Perennial Grasses on the Fertility of Irrigated Meadow-Chernozemic Soils in the Omsk Irtysh Region

Studies were carried out to establish the influence of legume–grass mixtures on the fertility indicators of irrigated meadow-chernozemic soil depending on the duration of their cultivation in grain-grass crop rotation. Two factors were studied in the experiment: (A) grass mixture: (1) awnless brome...

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