| Abstrakt: |
The influence of mineral fertilizers used in combination with other intensive plant-protection measures (Selest Top insectofungicide, Zenkor Ultra herbicide, Concerto, Acrobat, Revus Top and Zummer fungicides, and Reglon Forte dessicant) was researched during a 3-year field experiment. Three potato varieties were examined: Vineta (standard) and Labella early ripening varieties and middle-late Granada variety. The experiment was carried out in the Nizhny Novgorod oblast in podzolized chernozem in 2015–2017 in three replications. The basic mineral fertilizers were applied in spring at a dose of N120Р156K176 (diammophoska, Naa) while performing ridge tillage. The experimented group was fertilized with N120Р156K176 + K120 and with Kcl in autumn. Planting was performed with applying the Extrasol microbial drug, and the Isabion and Agris Phosphor organomineral fertilizers were used in a tank mixture with pesticides. It has been established that the Labella variety is the most high-yielding (38.0–47.9 t per hectare) and stable according to observations in different years, and the Granada variety gives the largest yield of starch (87.1 c/ha). [ABSTRACT FROM AUTHOR] |
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