Which of the Following Would Be the Most Effective Strategy

question 69

Multiple Choice

Which of the following would be the most effective strategy to remove toxic heavy metals from a soil?

• A) heavy irrigation to leach out the heavy metals
• B) application of fertilizers to compete with heavy metal uptake
• C) application of sulfur to lower the soil pH and precipitate the heavy metals
• D) adding plant species that have the ability to take up and volatilize heavy metals
• E) inoculating soil with mycorrhizae to avoid heavy metal uptake

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