In order to increase the biologization of agriculture and minimize the negative impact of synthetic fertilizers on the environment, a new biofertilizer was developed and tested based on the extract of poultry droppings and sapropel on the seeds of a common fodder crop - winter downy vetch (Vicia vilossa op Roth), Glinkovskaya and Lugovskaya 2 varieties. The paper analyzes laboratory studies to determine the energy of seed germination. The following results have been obtained: in comparison with the control variant, the germination energy of Lugovskaya 2 vetch was 27.3% higher, germination capacity of this variety increased by 11.6%, significance (p<0.001). In Glinkovskaya vetch, germination energy is 28.0% higher in the experiment in relation to the control, and the germination capacity is higher by 9.9% (significance p<0.01). The new complex biofertilizer improves the supply of cultivated plants with the whole complex of mineral substances, ensures the accumulation of humus in the soil and improves its structure.
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