III. Treatment measures
1. Remediation of land by plants
• At least 400 species in 45 plant families have the ability to absorb heavy metals in the soil, such as Cu, Mn, Zn, Ni, Cd, Pb, Hg, Se , Al, as ... with great concentration.
• Limit, most plants have the ability to accumulate heavy metals are slow growing species with low biomass, while the biomass plant for fast often sensitive to the environment of high metal concentrations.
• Handling heavy metal (KLN) by vegetation can be done in many different ways depending on the mechanism of removal of KLN:
reduced levels method metals in the soil by growing plants capable of metals accumulated in the body, must meet two requirements: the metal can accumulate in the body and high biomass.
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