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NATURAL HYPER-ACCUMULATION [1 record]

Record 1 2007-01-25

English

Subject field(s)
  • Biotechnology
  • Plant Biology
  • Anti-pollution Measures
CONT

Phytoextraction is the use of plants to remove metals from soil, often while preserving the soil structure. Some plants have the specialized ability to remove large quantities of a specific metal from the soil, a process called natural hyperaccumulation.

OBS

[There are] two versions of phytoextraction: natural hyper-accumulation, where plants naturally take up the contaminants in soil unassisted, and induced or assisted hyper-accumulation, in which a conditioning fluid containing [an] agent is added to soil to increase metal solubility or mobilization so that the plants can absorb them more easily.

Key term(s)
  • natural hyper accumulation
  • natural hyper-accumulation

French

Domaine(s)
  • Biotechnologie
  • Biologie végétale
  • Mesures antipollution
CONT

Les plantes qui pratiquent la phytoextraction continue sont capables d'accumuler au sein même de leurs tissus des quantités importantes de polluants (et plus précisément de métaux lourds).

CONT

On distingue [...] deux types de phytoextraction : la phytoextraction continue qui se fait naturellement et consiste souvent en une hyperaccumulation [et] la phytoextraction induite qui se fait en présence de chélateurs.

Spanish

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