EFFECT OF VARIOUS DOSES OF MINERAL FERTILIZERS ON PRODUCTIVITY AND QUALITY INDICATORS OF PECHORSKIY POTATO VARIETY

УДК: 631.527:631.82 DOI: 10.31588/2073-0462-2026-21-2-54-60 EDN: GFSNXZ

Authors

  • Aleksey Gennadevich Tulinov Institute of Agrobiotechnology, Komi Scientific Center, Ural Branch of the Russian Academy of Sciences (27 Rucheynaya St., Syktyvkar, Republic of Komi, 167023, Russian Federation) https://orcid.org/0000-0002-7184-6113

Keywords:

potato (Solanum tuberosum L.), variety, tubers, mineral fertilizers, yield, quality, shelf life

Abstract

Potato plants intensively consume mineral nutrients from the soil and respond positively to fertilizer application. To ensure a high-quality yield with high nutrient content and nitrate concentrations that meet sanitary requirements, it is necessary to develop a mineral fertilizer application system. The aim of this study was to determine the effect of mineral fertilizer doses on potato tuber yield and quality. The study was conducted from 2023 to 2025 in Komi Republic. The subject of the study was Pechorskiy variety. Field experiment scheme included the following treatments: no fertilizer (control), half, single (N48P48K48), one and a half and double doses of nitroammophoska (16:16:16). The fertilizer was applied manually by scattering before the emergence of potato plants, followed by incorporation during inter-row cultivation with a KON-2.8 cultivator-ridger to a depth of 5...7 cm. High responsiveness of potatoes to mineral fertilizers was revealed, ensuring the formation of a yield in the variant with a double dose of 35.7 t/ha with a dry matter content of 21.3%, starch - 12.7%, which exceeded the control by 17.1 t/ha, 1.8 and 1.9%, respectively. The nitrate content in tubers with an increase in fertilizer doses increased from 51.0 mg/kg in the control to 94.0 mg/kg in the variant with a double dose of NPK, but did not exceed the maximum permissible concentration (250 mg/kg). The productivity of marketable produce after storage averaged 91.0-92.8%, demonstrating the excellent shelf life of Pechorskiy potato variety, both when grown with and without high doses of mineral fertilizers. This is especially important for the northern regions of the Russian Federation, particularly Komi Republic, where tuber storage can last 8-9 months.

Author Biography

Aleksey Gennadevich Tulinov , Institute of Agrobiotechnology, Komi Scientific Center, Ural Branch of the Russian Academy of Sciences (27 Rucheynaya St., Syktyvkar, Republic of Komi, 167023, Russian Federation)

Ph.D. of Agricultural Sciences, Researcher

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Published

2026-08-25

How to Cite

Tulinov . А. Г. . (2026). EFFECT OF VARIOUS DOSES OF MINERAL FERTILIZERS ON PRODUCTIVITY AND QUALITY INDICATORS OF PECHORSKIY POTATO VARIETY: УДК: 631.527:631.82 DOI: 10.31588/2073-0462-2026-21-2-54-60 EDN: GFSNXZ. Vestnik of Kazan State Agrarian University, 21(2). Retrieved from https://vestnik-kazgau.ru/index.php/vestnik/article/view/384