Physical and Chemical Geotechnologies

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Volume 5 (2021)

Study of the dependence of growth of Bromopsis inermis Holub growth on different watering and the amount of heavy metals in the soil

Kyrylo Zvoryhin1*, Oleksandr Kovrov1

Abstract

The article considers dependence of the growth of roots and stems of Bromopsis inermis Holub on the amount of moisture and content of such heavy metals as cadmium, arsenic and lead in the soil. The studies have shown that the plant grows better not only when increasing watering but also with the addition of heavy metals. On average, with 10 ml of watering and adding 10 MPC of lead, cadmium, and arsenic, sprouts increase their length by 20-25% compared to watering with 5 ml of water and adding 1 MPC. Notably, the data of control samples are inferior to 5 ml and 1 MPC by 5-10%. This allows us to conclude that Bromopsis inermis Holub grows well with heavy metals, and it does not inhibit its growth. In addition, even with minimal watering conditions that reflect the arid areas of Donbas, this plant can be used as a phytoremediator.

Keywords: heavy metals, phytoremediation, recultivation, Bromopsis inermis Holub., germination test

References
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