期刊
APPLIED BIOCHEMISTRY AND MICROBIOLOGY
卷 46, 期 8, 页码 789-794出版社
PLEIADES PUBLISHING INC
DOI: 10.1134/S0003683810080090
关键词
Medicago sativa; nitrogen fertilizer; phytoremediation; plant growth promoting rhizobacterium; Secale cereale
资金
- Federal purpose program Investigations and Elaborations on Priority Development Directions of Scientific-Technological Complex of Russia [02.512.11.2210]
The possibility of using multicomponent systems, including plants, mineral fertilizers, and plant growth promoting microorganisms, has been studied in vegetative experiments in order to stimulate phytore-mediation of oil-sludge-contaminated soil. Winter rye (Secale cereale L.) was used as the principal phytore-mediating plant species, whereas alfalfa (Medicago sativa L.), nitrogen fertilizer (ammonium nitrate), and a PGPR strain (Azospirillum brasilense SR80) were applied as additional components, individually or in various combinations. The obtained data revealed the critical importance of alfalfa for phytoremediation of hydro-carbon-contaminated soil. Application of different multicomponent treatments resulted in approximately 70% reduction of pollutant concentration in soil. The developed technological approaches were successfully tested in the remediation of an ex-oil-sludge pit on the ground of a petroleum refinery.
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