The Role of Cellulose in Microbial Diversity Changes in the Soil Contaminated with Cadmium

Jadwiga Wyszkowska (), Edyta Boros-Lajszner, Agata Borowik and Jan Kucharski
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Jadwiga Wyszkowska: Department of Soil Science and Microbiology, University of Warmia and Mazury in Olsztyn, Plac Łódzki 3, 10-727 Olsztyn, Poland
Edyta Boros-Lajszner: Department of Soil Science and Microbiology, University of Warmia and Mazury in Olsztyn, Plac Łódzki 3, 10-727 Olsztyn, Poland
Agata Borowik: Department of Soil Science and Microbiology, University of Warmia and Mazury in Olsztyn, Plac Łódzki 3, 10-727 Olsztyn, Poland
Jan Kucharski: Department of Soil Science and Microbiology, University of Warmia and Mazury in Olsztyn, Plac Łódzki 3, 10-727 Olsztyn, Poland

Sustainability, 2022, vol. 14, issue 21, 1-28

Abstract: Cadmium is an essential element for plant growth and development. Its accumulation in soil is more hazardous to human and animal health than to plants and microorganisms. A pot greenhouse experiment was conducted to determine the usability of Sinapis alba L. and Avena sativa L. for the phytoremediation of soil contaminated with cadmium and to verify cellulose viability in the remediation of soil under cadmium pressure in doses from 4 to 16 mg Cd 2+ kg −1 soil d.m. (dry matter) The effect of cadmium on soil microbiome was investigated with the culture method and the variable region sequencing method. Sinapis alba L. and Avena sativa L. were found viable in the phytoremediation of soil contaminated with Cd 2+ . Avena sativa L. was more potent to accumulate Cd 2+ in roots than Sinapis alba L. Although the fertilization of Cd 2+ - contaminated soil with cellulose stimulated the proliferation of microorganisms, it failed to mitigate the adverse effects of Cd 2+ on bacterial diversity. Bacteria from the Sphingomonas , Sphingobium , Achromobacter , and Pseudomonas genera represented the core microbiome of the soils sown with two plant species, contaminated with Cd 2+ and fertilized with cellulose. Stimulation of the growth and development of these bacteria may boost the efficacy of phytoremediation of cadmium-contaminated soils with Sinapis alba L. and Avena sativa L.

Keywords: soil contamination; microorganisms; phytoremediation; cadmium (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2022
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