Neco 2022 Agricultural Science Question 2

Practice essay / theory question 2 from the 2022 Neco Agricultural Science examination. This question covers Soil Science .

Neco 2022 Agricultural Science Essay / Theory

Topic: Soil Science

Question 2 NECO • 2022 • AGRICULTURAL_SCIENCE • essay

A soil scientist conducts a laboratory experiment to compare the water infiltration rates of three soil textures: sand, loam and clay. The experimental apparatus is shown in the diagram.

Question Parts

( a )

The scientist records the time taken for 100 ml of water to pass through each soil column. Using the recorded times, calculate the infiltration rate (in ml min⁻¹) for sand, loam and clay.

( b )

Explain how soil texture influences the infiltration rates obtained, referring to pore size distribution and water‑holding capacity.

( c )

To improve infiltration in the clay sample, the scientist adds well‑decomposed organic matter. Predict qualitatively how the infiltration rate will change and justify your prediction.

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About This Question

This is Neco 2022 Agricultural Science Question 2. It is one of the essay questions from the 2022 Neco Agricultural Science examination.

The question covers Soil Science .

View More Neco 2022 Agricultural Science Questions More Neco Practice Questions Back to Questions

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