Neco 2018 Agricultural Science Question 3

Practice essay / theory question 3 from the 2018 Neco Agricultural Science examination. This question covers Farm Tools .

Neco 2018 Agricultural Science Essay / Theory

Topic: Farm Tools

Question 3 NECO • 2018 • AGRICULTURAL_SCIENCE • essay

A farmer intends to clear a 0.5 ha field of weeds. Two options are available:\n\n1. A hand hoe with a handle length of 1.2 m and a blade width of 0.25 m. The farmer can clear 0.05 ha per hour using the hoe.\n2. A motorised brush cutter with a cutting width of 0.5 m and a fuel consumption of 0.8 L per hour. The farmer can clear 0.12 ha per hour with the cutter.\nThe farmer works 6 hours per day. Using the diagram of the two tools, answer the following:

( a )

Calculate the total amount of fuel (in litres) required for the brush cutter to clear the whole 0.5 ha field.

( b )

State the area cleared per litre of fuel by the brush cutter.

( c )

Calculate the total number of days required to clear the field with each tool, assuming the farmer works 6 hours each day.

( d )

Based on the calculations, discuss two advantages and two disadvantages of using the brush cutter instead of the hand hoe for this task.

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This is Neco 2018 Agricultural Science Question 3. It is one of the essay questions from the 2018 Neco Agricultural Science examination.

The question covers Farm Tools .

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