Biological control of insect pests of crops can best be c...
Biological control of insect pests of crops can best be carried out through
Crop rotation
Use of parasites and predators
Soil fumigation
Farm sanitation
Use of resistance varieties
Correct answer is B
No explanation has been provided for this answer.
The most efficient irrigation method on large scale farms involve the use of ...
In subsistence agriculture ...
Seedlings are best transplanted in the field ...
One of the main disadvantages of mechanical tillage is the ...
Which of the following livestock diseases is transmitted by ticks? ...
The most limiting factor affecting land availability for agriculture in urban settlements is ...
Iron is important in the diet of livestock for ...
The deficiency of nitrogen in a maize plant can be corrected by applying? ...