Que. | Which of the following roles is performed by weeds? |
- A. They sometimes produce toxic substances which help crop growth.
- B. They help to control crop pests and diseases and microorganisms.
- C. They reduce crop yield and affect quality by competing for water, minerals, manures and fertilisers and sunlight.
- D. All of these
Right Answer is :
✓ C. They reduce crop yield and affect quality by competing for water, minerals, manures and fertilisers and sunlight.