Neco Model Questions Vol1 2023 Agricultural Science Question 2

Practice essay / theory question 2 from the 2023 Neco Model Questions Vol1 Agricultural Science examination. This question covers Soil Infiltration, Permeameter, Soil Texture .

Neco Model Questions Vol1 2023 Agricultural Science Essay / Theory
Topics: Soil Infiltration Permeameter Soil Texture
Question 2 NECO_MODEL_QUESTIONS_VOL1 • 2023 • AGRICULTURAL_SCIENCE • essay
Neco Model Questions Vol1 2023 Agricultural Science Question 2 diagram

The diagram shows a laboratory setup used to determine the infiltration rate of a soil sample using a constant head permeameter.

Question Parts

( a )
Identify the purpose of each component labelled A, B, C and D in the setup.
( b )
If the water level in the reservoir (A) is maintained at a constant head of 15 cm above the soil surface, and the volume of water collected in the graduated cylinder (D) after 5 minutes is 120 mL, calculate the infiltration rate in cm³ min⁻¹ cm⁻², given that the soil column has a cross‑sectional area of 25 cm².
( c )
Based on the infiltration rate obtained, discuss whether the soil is likely to be sandy, loamy or clayey, citing typical infiltration rate ranges for each texture class.

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About This Question

This is Neco Model Questions Vol1 2023 Agricultural Science Question 2. It is one of the essay questions from the 2023 Neco Model Questions Vol1 Agricultural Science examination.

The question covers Soil Infiltration, Permeameter, Soil Texture .

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