Influence of meteorological conditions on the dynamics of productivity of meadow associations in the Sozh river floodplain

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Национальная академия наук Беларуси

РУП "НПЦ НАН Беларуси по земледелию"

Республиканское научное дочернее унитарное предприятие
Author: N. M. Daineko, S. F. Timofeev
Article code: UDC 57.045:631.524.84:581.526.45(282.247.321.7)

Keywords: hydrothermal coefficient, climate, floodplain meadow, r. Sozh, plant associations, productivity and quality of herbage

// Мелиорация.– 2022. – №2(100) – P 32–39

Over the course of 11 years, the productivity of the herbage of plant communities in the floodplain meadows of the river was evaluated. Sozh. A decreasing series of herbage productivity can be represented as follows: Caricetum gracilis > Deschampsia cespitosa > Poo-Festucetum pratensis > Agrostis vinealis. The most stable in terms of productivity is the Caricetum gracilis association. To assess the influence of meteorological factors on the productivity of the herbage, the hydrothermal coefficient was calculated. The values of the hydrothermal coefficient varied from 0.99 to 1.60. Significant correlations between the hydrothermal coefficient and vegetation productivity have been established. The content of radiocesium in the herbage did not exceed the existing standards.