Neco 2017 Agricultural Science Question 3

Practice essay / theory question 3 from the 2017 Neco Agricultural Science examination. This question covers Farm Tools, Seed Drill .

Neco 2017 Agricultural Science Essay / Theory

Topics: Farm Tools Seed Drill

Question 3 NECO • 2017 • AGRICULTURAL_SCIENCE • essay

Neco 2017 Agricultural Science Question 3 diagram

The diagram shows a hand‑operated seed drill used for planting maize.

Question Parts

( a )

Identify the function of each labelled part (A, B, C, D and E) shown in the diagram.

( b )

The metering disc (B) has 12 equally spaced holes. The wheel (E) has a radius of 0.30 m and makes one full revolution. Assuming the wheel rolls without slipping, calculate (i) the number of seeds deposited per metre of forward travel, and (ii) the average spacing between successive seeds (in centimetres, to one decimal place).

( c )

State two agronomic advantages of using a seed drill instead of broadcasting seeds.

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About This Question

This is Neco 2017 Agricultural Science Question 3. It is one of the essay questions from the 2017 Neco Agricultural Science examination.

The question covers Farm Tools, Seed Drill .

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