The greatest disadvantage of using a bulldozer in land clearing is that it
Removes the fertile top soil along with the vegetation
Makes the soil lose its texture
Allows the fast growth of weeds after clearing
Increases the incidence of pests
Correct answer is A
No explanation has been provided for this answer.
The best source of farm power for agricultural production is
Human power
Animal power
Mechanical power
Solar power
Correct answer is A
No explanation has been provided for this answer.
The removal of excess water from the sub-soil is known as
Irrigation
Drainage
Evaporations
Dehydration
Correct answer is B
No explanation has been provided for this answer.
I, II and III only
II, III and IV only
I, II and IV only
I, II, III and IV
Correct answer is B
No explanation has been provided for this answer.
Ammonium nitrate
Lime
Urea
Single superphosphate
Correct answer is B
No explanation has been provided for this answer.