FIELD: agriculture.
SUBSTANCE: invention relates to the agriculture. Hydrogel preparation is a highly cross-linked hydrophilic acrylic copolymer containing filler in the polymer matrix in the form of finely ground peat and silver ions in the following ratio, wt. %: hydrophilic acrylic copolymer - 70–82; turf filler - 14–23; silver ions - 0.5–1.0; residual water is balance.
EFFECT: invention provides effective inhibition of growth of pathogenic microorganisms, including late blight.
1 cl, 1 tbl, 7 ex
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