Antonina S Vereshchagina, Aleksandr A Neverov, Ruslan Sh Uraskulov

DOI: 10.33284/2658-3135-104-2-131

UDC 633.16:631.82


Research was carried out according the plan of research scientific works on 2021-2023 yy. FSBSI FRC BST RAS (No 0761-2019-0004)

Influence of growth regulators on the dynamics of mineral nutrition elements in soil and plants

 Antonina S Vereshchagina, Aleksandr A Neverov, Ruslan Sh Uraskulov

Federal Research Centre of Biological Systems and Agrotechnologies of the Russian Academy of Sciences (Orenburg, Russia)

 Summary. The role of growth regulators in optimizing plant nutrition, increasing crop yields and protecting the environment has not been enough studied. The aim of the research was to study the effect of pre-sowing treatment of spring barley seeds with growth regulators on the dynamics of mineral nutrition elements in soil and plants. Research objects: spring barley variety Natali, growth regulators: Mival-Agro, Fitosporin-M, Zh extra, Extrasol, Gumi-20M potassium, Fitosporin-M, Zh fungi-bactericide, Borogum-M complex, Borogum-M molybdenum. The preparations were tested in the field in the steppe zone of the Orenburg region. Studies on the content of nutrients in soil and plants were carried out in accordance with the relevant GOSTs. Nitrogen, phosphorus, and potassium in soil and plants were determined during the main phases of barley development. In the variants of application of growth regulators to the heading phase, the content of nitrate nitrogen in the soil increases. In the variants with Mival-Agro and Borogum-M molybdenum, the content of available phosphorus and exchangeable potassium in the soil decreases. The nitrogen content in the aboveground mass of barley increased in the tillering phase in the variants of using preparations with different strains of Bacillussubtilis. Growth regulators did not have a significant effect on the content of phosphorus and potassium in plants. It was concluded that preparations based on various strains of Bacillussubtilis improve nitrogen nutrition of plants under drought conditions.

Key words: spring barley, growth regulators, seeds, biological products, nitrogen, phosphorus, potassium., nitrogen, phosphorus, potassium.


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Vereshchagina Antonina Sergeevna, Cand. Sci (Agr.), Senior Researcher, Department Fodder Technologies, Federal Research Centre of Biological Systems and Agrotechnologies of the Russian Academy of Sciences, 460051, Orenburg, Russia,  27/1 Gagarin Avenue, tel.: 8(3532) 30-83-48, cell phone: 8-919-853-17-26

Neverov Alexander Alekseevich, Cand. Sci (Agr.), Leading Researcher, Department Fodder Technologies, Federal Research Centre of Biological Systems and Agrotechnologies of the Russian Academy of Sciences, 27/1 Gagarina Ave., Orenburg, 460051, Russia, tel.: 8(3532)30-83-48, mob. 8-919-861-84-18, e-mail:

Uraskulov Ruslan Shamilyevich, Senior Researcher, Department Fodder Technologies, Federal Research Centre of Biological Systems and Agrotechnologies of the Russian Academy of Sciences, 460051, Orenburg, Russia, 27/1 Gagarin Avenue, tel.: 8(3532)30-83-48

 Received: 8 April 2021; Accepted: 15 June 2021; Published: 30 June 2021