Abstract
The article presents a brief analysis of the productivity of potato varieties depending on the use of microbiological preparations in the conditions of the Non-Chernozem zone of the Ryazan region. Field studies were carried out on the basis of the agrotechnological experimental station of the Federal State Budgetary Educational Institution of Higher Education RSATU in 2020-2021. The optimal biometric indicators of potato plants and the marketability of tubers by variety were obtained against the background of the treatment with Azotovit + Phosphatovit + RauAktiv. The best varieties were Red Scarlett, Koroleva Anna and Labella Comparative agro-ecological tests of modern potato varieties showed that the average yield by variety ranged from 11.9 t/ha to 19.4 t/ha, depending on the treatment option with microbiological fertilizers. At the same time, for all varieties, the yield indicator was not less than in the previously obtained research data conducted on the territory of the Russian Federation. The varieties Red Scarlett, Labella and Koroleva Anna turned out to be the most promising for cultivation in the Nonchernozem zone of the Ryazan region against the background of the treatment with Azotovit + Phosphatovit + RauAktiv. Keywords: POTATOES, VARIETIES, MICROFERTILIZERS, HARVEST STRUCTURE, PRODUCTIVITY, MERCHANTABILITY OF TUBERS
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