Biological control of insect-pests of crops is carried ou...
Biological control of insect-pests of crops is carried out through
Crop rotation
Use of predators
Use of pesticides
Farm sanitation
Correct answer is B
No explanation has been provided for this answer.
One advantage of cooperative farming is that it ...
This is the removal of unwanted plants on the farm ...
Which of the labelled parts enables the tool to float on water when fish is caught? ...
Control of water level in a fish pond with minimal loss of fish can be achieved with the aid of ...
The part which a bait is attached before lowering the tool in water is labelled? ...
Which of the following statements is not a precaution measure in bee keeping? ...
Cropping in fish farming is the act of ...
The causative organism of Avian influenza is a ...
Determine the ratio of nutrients in NPK 5-10-15 ...
What is the primary purpose of an agricultural extension service? ...