Multiple choice general knowledge

Which herbicide resides for the longest period in the soil?

  1. Chlorpropham

  2. Linuron

  3. Propachlor

  4. Simazine
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Linuron is a phenylurea herbicide with a long soil half-life of 3-6 months, persisting longer than the other options. Chlorpropham and Propachlor break down within weeks, while Simazine, though persistent, generally degrades faster than Linuron in most soil conditions.

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