E3S Web of Conf.
Volume 215, 2020International Scientific Conference on Biotechnology and Food Technology (BFT-2020)
|Number of page(s)||7|
|Published online||02 December 2020|
Potash regime for restoration of disturbed lands in the Far North
1 Northern Trans-Ural State Agricultural University, Tyumen, 7, Republic street, 625003, Russia
2 Tyumen Scientific Centre SB RAS, Tyumen, 86, Malygina street, 625026, Russia
* Corresponding author: firstname.lastname@example.org
Disturbed soils of the Far North, underlain by permafrost, have extremely low fertility and were formed according to natural and climatic conditions. These soils and the vegetation cover formed on them are very vulnerable to destructive anthropogenic impacts associated with the industrial development of the North. To restore vegetation cover, agrotechnical techniques are used, including the use of various fertilizers. This article will address issues related to changes in the content of potassium in various agricultural techniques at the biological stage of recultivation in the Far North. Agromeliorative techniques increased the accumulation of potassium in the herbage, therefore, perennial grasses consume a large amount of potassium, strengthening their ecological plasticity. It is established that agromeliorative techniques play a crucial role in providing long-term grasses with available potassium. Potassium is consumed by perennial herbs throughout life. This fact should be taken into account when determining the rates of potash fertilization to maintain a stable herbage at the biological stage of reclamation and accelerate the restoration of natural cover.
© The Authors, published by EDP Sciences, 2020
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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