Trends in soil science in Switzerland |
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Authors: | Satish K Gupta Jean-Paul Schwitzguébel |
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Institution: | (1) Swiss Federal Research Station for Agroecology and Agriculture, Group Leader Soil Chemistry, CH-8046 Zurich, Switzerland;(2) Lab. for Environmental Biotechnology (LBE), EPFL, CH-1015 Lausanne, Switzerland |
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Abstract: | Phytoremediation is an emerging technology based on the use of green plants to remove, contain, inactivate or destroy harmful
environmental pollutants. Recent developments in Europe and the USA show that the approach is somewhat different on both sides
of the Atlantic. In Europe, phytoremediation has more basically been research driven and, based on the outcomes, applications
have been envisaged. By contrast, the approach in the USA is more application and experience driven. In spite of a growing
track record of commercial success, more demonstration projects are needed to prove that phytoremediation is effective in
order to rigorously measure its underlying economics, and to expand its applications. More fundamental research is also required
to better understand the complex interactions between pollutants, soil, plant roots and micro-organisms at the rhizosphere
level, to increase the bioavailability of pollutants, to fully exploit the metabolic diversity of plants and, thus, to successfully
implement this new green technology. |
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