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.
Which of the following is not a characteristic feature of giant-star grass? ...
Which one of these is not a factor that affect change in supply of agricultural produce? ...
The most important pests of vegetable crops are ...
Plant nutrients are restored during the fallow period through ...
The most devastating and commonest pests of cassava foliage are ...
The recommended agricultural practice in farm settlement scheme is ...
The mosaic appearance on cassava leaves is caused by ...
Which of the following statements is not a reason for feeding farm animals? ...
Which of the following refers to a farm accounting entry? ...