Abstract
The possibility of using nitrogen of annual legumes for fertilizing perennial grasses (timofeevka meadow) by using them as cover crops has been established. By increasing the content of assimilable forms of nitrogen and other nutrients in the soil, they had a positive effect on the development of grasses in the autumn and spring periods, the formation of their biomass during vegetation, improving its quality, increasing the development of the root system of perennial grasses and the accumulation of nutrients in it. The effective effect of cover crops was traced for 4 years, the total increase in the mowing crop during this time amounted to over 120 kg/ha, the economic effect – of 17 thousand rubles.
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