Abstract
In biologized agricultural production, along with minimized fertilizers, growth activators are widely used. The article analyzes experimental data on potato cultivation using such preparations. The purpose of this study was to study the effect of copper nanoparticles and liquid-phase biopreparation on the phenology and yield of potatoes in the conditions of lysimetric experiment. The research results showed that pre-sowing treatment of seed tubers with growth activators had a positive effect on linear indicators, heat resistance of plants, increasing it by 16.7-50.0% compared to the control, as well as yield (the increase was 8.6-54.8 t/ha). It is shown that the best effect is obtained by the combined use of copper nanoparticles and 1% liquid-phase biological product.
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