Science, asked by kartiki82, 1 year ago

What are weeds? How can we control them?.

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Answers

Answered by saran545
848

Weeds are unwanted plants. They grow with crops and compete for nutrients and water with main crop. So weeds are very harmful. Process of controlling the weed is called weeding.

Methods to control weeds are:

1. Tilling before sowing of crops

2. It can be controlled using weedicides

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


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Answered by barnadutta2015
0

Answer: Weeds are the name given to these unwanted plants and weeding techniques can be used to control weeds.

Explanation:

  • It is possible to manage weeds by using weedicides, which are sprayed in fields and destroy all types of weeds.
  • Tilling before planting crops also aids in the removal of weeds as tilling uproots the weeds.
  • With a kauri, weeds are manually eradicated by routinely uprooting or cutting them close to the ground.
  • Weeds are unsightly, they can impede with harvest, they can transport crop viruses or host destructive insects, and most critically they rob a crop of its yield potential.
  • Before planting crops, tilling aids in removing and eliminating weeds, which may later dry up and combine with the soil. Weedicides are a class of compounds used to manage weeds.

To know more, click here:

https://brainly.in/question/15535455

https://brainly.in/question/2454259

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