Reaction of the new potato cultivar Vostorg to mineral fertilization strategies

Posted on 15.05.2026 by secretar
UDC 633.491: 631.82
https://doi.org/10.25630/PAV.2026.56.62.004

Shabanov A.E., Maltsev S.V., Abrosimov D.V., Boyarsky D.S.

This three-year field study (2021–2023) on sod-podzolic soils in the Central Region of the Russian Non-Chernozem Zone. The aim is to study the effect of differentiated mineral fertilizer application on the biometric, agronomic, and biochemical parameters of Vostorg, a new mid-season table potato variety developed by the Russian Potato Research Centre. The variety is promising for industrial processing under unstable moisture conditions. Three strategies were compared: Variant I (control) – a single application of N90P90K135 during ridge formation; Variant II – a two-stage application (N60P60K90 during ridge formation, top dressing N30P30K45 7–10 days post-emergence); Variant III – a three-stage split application (N30P30K45 during ridge formation, post-emergence, and budding). Although climatic conditions dominated yield levels (17.7–46.3 t/ha), the two-stage scheme proved most effective. It stimulated growth (haulm mass reached 15.6 t/ha, leaf area increased by 3,900 m²/ha) and increased yield by 2.1 t/ha (7.1% over the control). Quality also improved: marketability rose by 6 percentage points (to 83%), starch content by 1.1%, dry matter by 1.0%, and vitamin C to 15.3 mg/100 g. A 28% reduction in nitrates (to 92 mg/kg) and lower reducing sugars (0.36%) enhanced the tubers' suitability for French fry production. The three-stage split was ineffective due to insufficient starter nitrogen, which suppressed leaf development and reduced yield by 1.6 t/ha. Economically, the two-stage technology is optimal: estimated net income increased by 37.8% (to 135000 r/ha), and production costs dropped to 4.9 r/kg.

Key words: Solanum tuberosum L., variety, yield, mineral fertilizers, climatic conditions, quality of tubers, estimated net income

Shabanov A.E., D.Sci. (Agr.), head of the agricultural technologies department of Russian Potato Research Centre. E-mail: agro-vniikh@mail.ru. ORCID: 0000-0002-7703-0617, SPIN-code: 3833-2055, Author ID: 476069.

Maltsev S.V., D.Sci. (Agr.), chief research fellow at the department of agricultural technologies of Russian Potato Research Centre. E-mail: stanmalcev@yandex.ru, ORCID: 0000-0001-7211-315X, SPIN-code: 1106-0687, Author ID: 776608.

Abrosimov D.V., Cand. Sci. (Agr.), senior research fellow at the department of agricultural technologies Russian Potato Research Centre. E-mail: abrosimov.dmitry@mail.ru. ORCID: 0000-0002-6279-4972, SPIN-code: 3517-7058, Author ID: 795022.

Boyarskiy D.S., junior research fellow at the Russian Potato Research Centre, postgraduate student of the Faculty of Soil Science of Lomonosov Moscow State University. E-mail: dmbojarskiy@mail.ru. ORCID: 0009-0001-2311-5711, SPIN-code: 7274-3492, Author ID: 1285727

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For citing: Reaction of the new potato cultivar Vostorg to mineral fertilization strategies. A.E. Shabanov, S.V. Maltsev, D.V. Abrosimov, D.S. Boyarsky. Potato and vegetables. 2026. No3. Pp. 37-42. https://doi.org/10.25630/PAV.2026.56.62.004 (In Russ.).

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