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- Title
Use of Poaceae f. species to decontaminate soil from heavy metals.
- Authors
Jankaitė, Audronė; Vasarevičius, Saulius
- Abstract
Soil contamination with heavy metals is a problem of worldwide concern and is still unsolved. Phytoremediation is a new and prospective technology that applies plants for cleaning lightly contaminated soils. Three kinds of Poaceae f. Species - Lolium perenne L., Poa pratensis L. and Festuca pratensis Huds. - have been chosen in this work for decontaminating soil from heavy metals. These plants were grown under artificial laboratory conditions in soil that was once and periodically contaminated with heavy metals. It has been established that it is Lolium perenne L. that most efficiently removes heavy metals and cleans soil. It removed up to 94% of copper, up to 72% of lead, up to 70% of manganese, up to 90% of zinc, up to 70% of nickel, and up to 80% of chromium from the soil. The Poa pratensis L. and Festuca pratensis Huds. removed less heavy metals, however, all the three kinds of the species of grass vegetation are efficient enough to decontaminate soil from heavy metals.
- Subjects
GRASSES; BIOLOGICAL decontamination; SOILS; SOIL pollution; HEAVY metals; PHYTOREMEDIATION; LOLIUM perenne; EXPERIMENTS; MICROBIAL contamination
- Publication
Ekologija, 2007, Vol 53, Issue 4, p84
- ISSN
0235-7224
- Publication type
Article