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The results of studies (2019-2020) in a two-factor field experiment on sod-podzolic light-loamy well-cultivated soil on the of study the effect of non-root fertilization on the productivity of potato varieties are presented. The following factors were studied: A – Variety: 1 - Colomba, 2 - Red Scarlett, 3 - Gala. B - Preparation for foliar dressing: 1 - Control (water, 300 l/ha), 2 - Zircon (30 ml/ha), 3 - Epin-Extra (15 ml/ha), 4 – Folirus Premium (7 l/ha), 5 – Aquamix (220 g/ha), 6 – Mixture of Zn-EDDA + Cu – EDDA complexates (7 l/ha). It was revealed that the Red Scarlett variety had the highest productivity. Methods have been developed to increase the productivity of potato varieties by using the growth regulator Zircon, which provides the highest yield of dry matter and starch (an increase of 19.3 and 18.9 % to the control), and fertilizers - mixture of Zn-EDDA + Cu EDDA complexates (an increase of 14.4 and 11.8 % to the control).

Export-oriented intensification of potato production in the central non-chernozem region of Russia