What are weeds? How can we control them?

AcademicBiologyNCERTClass 8

Weeds are the unwanted plants that grow along with the crops. Weed affects the growth of crops by stealing their nutrients, sunlight, water, and other resources. This results in undernourished crops and their decreased yield.


Farmers remove the weeds by the process of weeding to protect the crop and improve its productivity.  There are several tools available that cut and remove weed roots.


Some of such tools are listed below:

1. Spade or Trowel. As part of your weed-removal process, you can push spades or trowels into the ground in a circle around the base of the weed, and cut the roots with the tool's blade.

2. Garden Knife and Hoe. 

3. Weeders.

4. Rotary Tiller.


Weeds create competition conditions and starvation or nutrient-deficient conditions for the cultivated crop, affecting their production efficiency.

Weeding is the process of removal of unwanted plants or crops from the soil, which is commonly known as weeds. 

Weedicides are chemicals that selectively kill only weeds. Some examples of weedicides include- DDT (dichloro-diphenyl-trichloroethane), and 2,4-Dichlorophenoxyacetic acid.

raja
Updated on 10-Oct-2022 12:46:49

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