UDC 635.21:631.5
https://doi.org/10.25630/PAV.2023.43.36.005
Smirnova A.V., Khlopov A.A., Lybenko E.S.
Currently, a large number of drained lowland peat soils, including developed peat massifs, are used for the agricultural production. In this regard, it is of interest to assess the possibility of potatoes (Solanum tuberosum L.) growing in monoculture on these soils to obtain stable yields with high product quality. The purpose of the research is an agroecological assessment of potato growing in monoculture on peat soils. The research was carried out in 2018–2022 on the basis of the Kirov Meadow and Bog Experimental Station – a branch of the Federal Williams Research Center of Forage Production & Agroecology. The material for the study is tubers and potato plants of the Chaiyka cultivar. The registered area of the plot is 0.25 hectares, the repetition is fourfold. Pre–sowing tillage is typical for the region. From 2018 to 2022, potato yields exceeded the average yield in the Kirov region almost every year. On average, in 2018–2020, the excess was 41%. In 2020 and 2022, the mass of the aboveground part (tops) was the maximum over the years of research and reached 8.1–8.2 t/ha. In 2020 and 2022, 3.5 and 3.9 kg of tubers were formed per 1 kg of tops, respectively. The phosphorus content in potato tubers obtained under conditions of permanent cultivation (0.32% in 1 kg of dry matter) slightly exceeds the average phosphorus content in potatoes according to the average value (0.27% in 1 kg of dry matter). Potassium in potato tubers during monoculture was slightly less (2.04% in 1 kg of dry matter), and calcium was significantly higher (0.82% in 1 kg of dry matter) than the average content of these elements in potato tubers. According to the assessment of agroecological efficiency, the energy costs of growing potatoes are recouped by the energy contained in the produced product by 2.2 times.
Key words: potato (Solanum tuberosum L.), monoculture, peat soils, agroecological assessment, yield, chemical composition
Smirnova A.V., Cand. Sci. (Agr.)., leading research fellow of the Meadow and Bog Experimental Station – branch of the Federal Research Center «V.R. Williams VIC», associate professor of the Department of General Agriculture and Crop Production of the Vyatka SAU. E-mail: bolotoagro50@mail.ru
Khlopov A.A., Cand. Sci. (Agr.), associate professor of the Department of General Agriculture and Plant Growing, Vyatka SAU. E-mail: akhlopov@yandex.ru
Lybenko E.S., Cand. Sci. (Agr.), associate professor of the Department of General Agriculture and Plant Growing, Vyatka SAU. E-mail: elenalybeko@rambler.ru
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For citing: Smirnova A.V., Khlopov A.A., Lybenko E.S. Agroecological assessment of potato monoculture on peat soils. Potato and vegetables. 2023. No9. Pp. 25-29. https://doi.org/10.25630/PAV.2023.43.36.005 (In Russ.).
