Soil
JAMB Biology practice questions on this topic. Pick an answer to check it and see the working.
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What JAMB expects you to know on this topic
- Identify physical properties of soil types
- Determine air, water and humus content experimentally
- Explain loss of fertility (leaching, erosion, compaction, monocropping)
- Apply conservation methods (contour ridging, terracing, mulching, crop rotation, fertilizers)
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