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How can we control weeds? - Science

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Question

How can we control weeds?

Short Answer

Solution

  1. Weeds are also controlled by using certain chemicals, called weedicides, like 2, 4-D. These are sprayed in the fields to kill the weeds.
  2. Tilling before sowing of crops helps in uprooting and killing of weeds, which may then dry up and get mixed with the soil. The best time for the removal of weeds is before they produce flowers and seeds.
  3. The manual removal includes the physical removal of weeds by uprooting or cutting them close to the ground from time to time.
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