Problem: 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 metalsb. application of sulfur to lower the soil pH and precipitate the heavy metalsc. adding plant species that have the ability to take up and accumulate heavy metalsd. inoculating soil with mycorrhizae to avoid heavy-metal uptake

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Problem Details

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 sulfur to lower the soil pH and precipitate the heavy metals

c. adding plant species that have the ability to take up and accumulate heavy metals

d. inoculating soil with mycorrhizae to avoid heavy-metal uptake

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