The effect of foliar top dressing with growth stimulants on potato yield in the southern part of the Volga-Vyatka region of Russia

On the experimental basis of the Chuvash Research Agricultural Institute-a branch of the Federal State Budgetary Institution “Federal Agricultural Research Center of the North-East named after N. V. Rudnitsky “, the influence of microbiological growth regulators on biometric indicators, yield and its structural elements of seed plantings of potatoes of the Chaika variety was studied. The use of leaf nutrition preparations of the agrotechnology combine “Azur-Niva LLC” contributed to: an increase in the vegetative mass of potato plants by 42 %; an increase in the yield of marketable potatoes from one bush, the number of potato tubers increased by 6.8 pcs., and the mass of tubers by 95 %; an increase in potato yield was 32.8 %.