Question

Biological control methods should be preferred for protecting crops. Why?

Answer 1

Answer:

Preventive measures and biological control methods should be preferred for protecting crops because excessive use of chemicals leads to environmental problems. These chemicals are also poisonous for plants and animals.

Explanation:

Hope it helps you....

Answer 2

1) Hire a bodyguard.

2) Make crops protected by a army of 1 lakh people.

3) If someone touches crop , make entry passes , to not to let anyone enter .Hire checking sustem for it .

4) Ensure cctv cameras

5) Follow me.