Читать книгу Soil Bioremediation - Группа авторов - Страница 43

1 It is usually slower than other common treatment technologies and depends upon climatic conditions.

2 For better results spots must be large enough to cultivate and utilize agricultural machinery for planting and harvesting.

3 Contaminants collected in leaves and trunks can be released again to the environment during litterfall.

4 The contaminants should be present within reach of the root zone and should not be bound to the organic portion of soil to be accessible for the plants; typically 10–15 ft for trees and 3–6 ft for herbaceous plants.

5 It is a time‐consuming and slow process – it may take several growing seasons to fully clean‐up a site.

6 Very often the introduction of nonnative species may affect the whole biodiversity