Crop rotation is often used in maintaining soil fertility because
All crops grown, add nutrient to the soil
Some of the crops fix nitrogen in the soil
Crops grown are ploughed into the soil
The crops are rotated on different farmlands
Correct answer is B
No explanation has been provided for this answer.
The surveying instrument used for measuring horizontal and vertical angles is called
Theodolite
Gunter's chain
Offset staff
Arrow
Correct answer is A
No explanation has been provided for this answer.
The diagram above shows parts of a plough.
Study it and answer this question.
The function of the part labeled II is that it
Makes vertical cuts
Makes horizontal cuts
Inverts the furrow slice
Removes mud that clings to the disc
Correct answer is B
No explanation has been provided for this answer.
The diagram above shows parts of a plough.
Study it and answer this question.
Which of the following functions is not associated with the part labelled I?
Inverting of furrow slice
Cutting through soil
Pulverizing of the slice in some ploughs
Enabling the plough to roll over obstacles
Correct answer is B
No explanation has been provided for this answer.
The diagram above shows parts of a plough.
Study it and answer this question.
Wheel
Plough share
Handle
Mould board
Correct answer is B
No explanation has been provided for this answer.
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