Question

What are weeds? How can we control them?​

Answer 1

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In a field many other undesirable or unwanted plants may grow naturally along with the crop. These plants are called weeds. We can adopt many ways to remove weeds and control their growth. 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. The manual removal includes physical removal of weeds by uprooting or cutting them close to the ground, from time to time. This is done with the help of a khurpi or a harrow.

Weeds are also controlled by using certain chemicals, called weedicides like 2, 4-D. These are sprayed in the fields to kill the weeds. They do not damage the crops. The weedicides are diluted with water to the extent required and sprayed in the fields with a sprayer.

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Answer 2

weeds are the unwanted plants which are grown with crops that compete with the crops for water, nutrients etc. we can control it by using weedicides, by leaving earthworms in the field etc.