Home
Class 8
BIOLOGY
What are weeds? How can we control them?...

What are weeds? How can we control them?

Text Solution

Verified by Experts

Weeds are unwanted plants. They grow with crops. They compete for nutrients and water with the main crop. So, weeds are very harmful. Process of controlling the weed is called weeding. Weeding is done manually by using khurpi and by using mechanical machines. Weeds are also controlled by using some chemical substances like 2, 4-D. These chemicals are called weedicide and used to kill and destroy the weed.
Promotional Banner

Topper's Solved these Questions

  • CROP PRODUCTION AND MANAGEMENT

    PEARSON IIT JEE FOUNDATION|Exercise CLASSROOM CORNER (C. LONG ANSWER TYPE QUESTIONS) |10 Videos
  • CROP PRODUCTION AND MANAGEMENT

    PEARSON IIT JEE FOUNDATION|Exercise COMPETITIONS CORNER|44 Videos
  • CROP PRODUCTION AND MANAGEMENT

    PEARSON IIT JEE FOUNDATION|Exercise CLASSROOM CORNER (ASSERTION-REASON TYPE QUESTIONS)|2 Videos
  • CONSERVATION OF PLANTS AND ANIMALS

    PEARSON IIT JEE FOUNDATION|Exercise COMPETITION CORNER |43 Videos
  • MICROORGANISMS - FRIEND AND FOE

    PEARSON IIT JEE FOUNDATION|Exercise COMPETITION CORNER|50 Videos