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BIOLOGY

JAMB 2017 - Question 28

Biology 2017 JAMB Past Questions - Question 28: The soil type which when present in high proportion will not support the cultivation of vegetable is

Choose the most appropriate option for the gap .

The soil type which when present in high proportion will not support the cultivation of vegetable is

A: humans

B: loam

C: silt

D: clay

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Correct Answer

Explanation

Clay has fine particles with tiny pore surfaces. It lacks humus to support plant life water does not drain through clay easily and the soil becomes water logged and plants rot away. Loam is a type of soil which has equal proportion of clay to sandy particles with high organic content. It retains water and plants grow well on it.