| Autor: |
T.M. Mills, T. Thayalakumaran, Brett Robinson, Th. Granel, Steve Green, Markus Deurer, D. R. Scotter, Brent Clothier, M. van der Velde, Iris Vogeler |
| Rok vydání: |
2008 |
| Předmět: |
|
| DOI: |
10.1016/s0166-2481(07)32026-6 |
| Popis: |
Publisher Summary This chapter focuses on the mechanisms that control the bioavailability, transport, and plant uptake of both metals and inorganic contaminants in soil. Their implications for phytoremediation of contaminated sites using poplars and willows are discussed. The chapter presents the results from screening experiments that have identified a huge range in the ability of willow clones to extract cadmium from contaminated soil. Beyond these pot experiments with willow clones, the emphasis is on the entire soil–plant–atmosphere continuum so that the dynamics and ultimate fate of water and contaminants in the rootzone can be detailed. A field project and large-scale lysimeter experiments are described in the chapter, exploring the ability of poplars to both dewater and remove the boron from contaminated sawdust piles. Experiments and analyses that have determined the fate of Cu, which is mobilized from soil by ethylenediamine tetra-acetic acid (EDTA) in an effort to enhance phytoextraction, are presented in the chapter. The power of quantitative modeling for providing predictions of the fate of rootzone water and contaminants is also demonstrated in the chapter. |
| Databáze: |
OpenAIRE |
| Externí odkaz: |
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