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      Question

      "Solarization" of greenhouse soil is done

      to:
      A Increase the salt content Correct Answer Incorrect Answer
      B Kill soil-borne pathogens and weeds using solar heat Correct Answer Incorrect Answer
      C Cool the soil down Correct Answer Incorrect Answer
      D Make the soil darker Correct Answer Incorrect Answer

      Solution

      Covering moist soil with clear plastic traps heat, raising temperatures enough to pasteurize the soil. This is an eco-friendly alternative to chemical soil fumigation.

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