Postemergent herbicides may have which additional capability?

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Multiple Choice

Postemergent herbicides may have which additional capability?

Explanation:
Postemergent herbicides are applied after weeds have emerged to kill or injure those weeds, but some products also leave a soil residual that can suppress or prevent seed germination in the treated area. This means they can provide an added capability of stopping new weeds from germinating, not just killing the existing ones. Because not every postemergent herbicide has this soil-activity, the statement that some can prevent seeds from germinating is the accurate choice.

Postemergent herbicides are applied after weeds have emerged to kill or injure those weeds, but some products also leave a soil residual that can suppress or prevent seed germination in the treated area. This means they can provide an added capability of stopping new weeds from germinating, not just killing the existing ones. Because not every postemergent herbicide has this soil-activity, the statement that some can prevent seeds from germinating is the accurate choice.

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