Waec Model Questions Vol1 2018 Agricultural Science Question 7

Practice essay / theory question 7 from the 2018 Waec Model Questions Vol1 Agricultural Science examination. This question covers Soil Science, Soil Classification, Soil Management .

Waec Model Questions Vol1 2018 Agricultural Science Essay / Theory
Topics: Soil Science Soil Classification Soil Management
Question 7 WAEC_MODEL_QUESTIONS_VOL1 • 2018 • AGRICULTURAL_SCIENCE • essay

A soil profile in the northern region of Nigeria is described as follows: - Horizon A: dark brown, loamy texture, pH 5.5, organic matter 2.5%, base saturation 45%. - Horizon B: reddish‑brown, clay loam, pH 5.2, organic matter 1.2%, base saturation 30%. - Horizon C: pale yellow, sandy loam, pH 5.0, organic matter 0.8%. - The soil is well‑drained and shows slight signs of erosion. Based on this information:

Question Parts

( a )
Identify the soil order (FAO classification) to which this profile most likely belongs.
( b )
Discuss the suitability of this soil for the cultivation of rain‑fed rice, mentioning at least three soil‑related factors.
( c )
Recommend two soil amendments that would improve the fertility of this soil for rice production and explain the mode of action of each amendment.

Detailed Solution & Marking Scheme

Get the step-by-step solution, key points required by examiners and detailed marking guidance through the Edcrib AI Tutor.

Reveal Answer

About This Question

This is Waec Model Questions Vol1 2018 Agricultural Science Question 7. It is one of the essay questions from the 2018 Waec Model Questions Vol1 Agricultural Science examination.

The question covers Soil Science, Soil Classification, Soil Management .

Master the Exam!

You've seen a preview, but there are thousands more questions plus AI tutor to break down complex solutions.

Unlock Full Access Available for Android & Windows
Chat with Support