Question

which of these is not a method of weed control? cultural biological mystical mechanical

Explanation:

Cultural, biological, and mechanical methods are well - known and established in weed control. Cultural methods involve practices like crop rotation. Biological methods use natural enemies (e.g., insects) of weeds. Mechanical methods use tools (e.g., hoes). Mystical is not a recognized scientific or practical method in weed control.

Answer:

C. mystical