Effect of peat–diatomite ameliorant on grass cover persistency in disturbed land reclamation

The urgency of reclamation of land disturbed by extensive mineral mining is apparent as extensive mineral mining often causes local manmade accidents, including outflows of oil products both in storage and in fueling. The primary objective of the experimental research cycle is optimization of concentrations of peat–diatomite ameliorant (PDA) in reclamation of land disturbed by such accidents. This article describes the applied research results on the effect of PDA application on grass cover persistency. The element analysis of samples was performed using the methods of atomic absorption spectrometry and infrared spectrometry at the Mining Ecology Laboratory at the Institute of Mining UB RAS. The studies proved the favorable effect of PDA on the survival ability of smooth bromegrass which is a common plant for biological reclamation and, consequently, on the persistency of grass cover both at high and low degree of pollution. Combination of PDA with humin and bacterial products at this stage of the research showed no essential influence on reduction of phytotoxicity of soil and degradation of hydrocarbons, except for sample PDA+B50 which decreased concentration of hydrocarbons by 60%.

Antoninova N. Yu., Usmanov A. I., Sobenin A. V., Gorbunov A. A. Effect of peat–diatomite ameliorant on grass cover persistency in disturbed land reclamation. MIAB. Mining Inf. Anal. Bull. 2022;(5):131-141. [In Russ]. DOI: 10.25018/0236_1493_2022_5_0_131.

The study was carried out under State Contract No. 075-00412-22 PR. Topic 2 (2022-2024): Development of GeoInformation Technologies for Mining Territory Safety Assessment and Adverse Process Progression Prediction in Subsoil Use (FUWE-2022-0002), Registration No. 1021062010532-7-1.5.1.

N.Yu. Antoninova¹, Cand. Sci. (Eng.), Head of Laboratory, e-mail: natal78@list.ru, ORCID ID: 0000-0002-8503-639X,
A.I. Usmanov¹, Junior Researcher, e-mail: albert3179@mail.ru, ORCID ID: 0000-0002-3650-0467, 
A.V. Sobenin¹, Junior Researcher, e-mail: arsob@yandex.ru, ORCID ID: 0000-0001-5513-5680, 
A.A. Gorbunov¹, Laboratory Assistant, e-mail: alex021297@mail.ru, ORCID ID: 0000-0002-9057-0896,
¹ Institute of Mining, Ural Branch of Russian Academy of Sciences, 620075, Ekaterinburg, Russia.

A.I. Usmanov, e-mail: albert3179@mail.ru.

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