Which soil particle size class most strongly increases a soil’s water-holding capacity?
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Get StartedWhich soil particle size class most strongly increases a soil’s water-holding capacity?
Options:
- Sand
- Silt
- Clay
- Gravel
Correct answer: Clay
Explanation: Clay particles (<0.002 mm) have high surface area and charge, enabling them to retain more water and nutrients per unit mass than silt or sand, thus increasing soil water-holding capacity.
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