Neco 2020 Agricultural Science Question 3
Practice essay / theory question 3 from the 2020 Neco Agricultural Science examination. This question covers Farm Tools, Soil Physics, Agricultural Engineering .
The illustration shows a practical setup for evaluating the efficiency of a manual hoe in breaking a compacted soil block. The soil block is rectangular, measuring 0.5 m in length, 0.3 m in width and 0.2 m in depth, and is supported by a wooden frame. The initial mass of the soil block (before tillage) is 120 kg. After tillage with the manual hoe, the bulk density of the soil reduces to 0.9 g cm⁻³ while the volume remains unchanged. The total time taken to till the whole block with the hoe is recorded as 45 minutes.
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This is Neco 2020 Agricultural Science Question 3. It is one of the essay questions from the 2020 Neco Agricultural Science examination.
The question covers Farm Tools, Soil Physics, Agricultural Engineering .
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