In Situ Application of Mechanochemically Oxidized Lignite for Improving Soil Productivity on the Highway Divider Lawn

Mechanochemical modification of lignite in the presence of an eco-friendly oxidizer, sodium percarbonate, ensures one-step solvent-free oxidation of lignite organic matter. The product is characterized by high yield of humic acids and increases the content of phenolic and carboxyl groups. The study...

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Bibliographic Details
Published in:Water, air, and soil pollution air, and soil pollution, 2022-07, Vol.233 (7), Article 239
Main Authors: Skripkina, Tatiana, Rozhanskaya, Olga, Bychkov, Aleksey, Gossen, Igor, Lomovsky, Oleg
Format: Article
Language:English
Subjects:
Acids
Atmospheric Protection/Air Quality Control/Air Pollution
Carbon
Climate Change/Climate Change Impacts
Coal
Dividers
Earth and Environmental Science
Environment
Environmental monitoring
Fertilizers
Field tests
Grasses
Height
Humic acid
Humic acids
Hydrogeology
In situ tests
Lawns
Lignite
Metals
Organic chemicals
Organic matter
Oxidation
Oxidizing agents
Phenolic compounds
Phenols
Productivity
Public utility districts
Roads & highways
Sodium
Soil fertility
Soil improvement
Soil productivity
Soil Science & Conservation
Soil sciences
Urban areas
Water Quality/Water Pollution
Weight
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Summary:Mechanochemical modification of lignite in the presence of an eco-friendly oxidizer, sodium percarbonate, ensures one-step solvent-free oxidation of lignite organic matter. The product is characterized by high yield of humic acids and increases the content of phenolic and carboxyl groups. The study aimed to conduct in situ tests of mechanochemically oxidized lignite for restoring the highway divider lawn, with allowance for specific features of lawns maintained by public utility service providers. Adding oxidized lignite statistically reliably increased grass height and weight in the experimental sites compared to the control one. Applying oxidized lignite (30 g/m 2 ) increased grass height and weight by ~ 40% and 25%, respectively, compared to those on the control site. Applying oxidized lignite (10 g/m 2 ) together with N 120 P 60 K 60 fertilizer and additional sowing of gramineous plant mixture increased grass height and weight by ~ 65% and 25%, respectively. Additional sowing of gramineous plants did not cause significant predominance of the gramineous component. The recommendations for the technology for maintaining lawns in this type of plots are provided.
ISSN:0049-6979
1573-2932
DOI:10.1007/s11270-022-05705-7