Question

What are weeds ? How can we control them ?​

Answer 1

Answer:

Tilling before sowing of crops helps in the uprooting and killing of weeds. Which may dry up and get mixed with soil. Weeds are also controlled by using certain chemicals, called weedicides. Weedicides are sprayed in the fields to kill the weeds.

Answer 2

Explanation:

Weeds :-

Weeds are unwanted and uncultivated plants that grow with crops and compete with crops for nutrients and can also cause crop toxification. Weeding is removal of weeds and is mostly done before flowering begins in crop plants. It is done using trowel, harrow or weedicides. Trowel is used in manual removal of weeds.

Methods for controlling weeds :-

• Weeds can be controlled using weedicides: -lIt is a chemical, which is sprayed in the fields to kill all available weeds. ...

• Tilling before sowing of crops also helps in removing weeds: Tilling uproots the weeds. ...

• The manual method of removing weeds is with the help of a khurpi.

• Mechanical method- Involves pulling out weeds with hands or by ploughing.

• Weeds can also be removed using a big comb-like harrow or using a trowel.

• Cultural method: Cultural methods of weed control include proper bed preparation, timely sowing of crops, intercropping and crop rotation.

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