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BIOLOGY

JAMB 2014 - Question 35

Biology 2014 JAMB Past Questions - Question 35: The soil with the highest water-retaining capacity is ,

Choose the most appropriate option for the gap .

The soil with the highest water-retaining capacity is ,

A: clayey soil

B: stoneysoil

C: sandy soil

D: loamy soil

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Correct Answer

Explanation

It has small particle sizes, tightly packed with little air spaces that make evaporation of water from the coil difficult. It also has high capillarity. Sandy soil has large particles sizes with large air spaces which make water easy to drain but unable to retain the water. Loamy soil has equal mixture of sandy and clay soil. It is next to clay soil in retaining water. Stoney soil has the largest particle sizes and air spaces. It has the poorest water retention ability.