GK
GENERAL SCIENCE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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sand
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clay
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gravel
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humus
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Detailed explanation-1: -The loamy soil also has humus in it. It has the right water holding capacity for the growth of plants as it has almost equal proportion of fine particles and the large particles. It contains a balance of all three soil materials–silt, sand and clay–plus humus.
Detailed explanation-2: -In classical soil science, humus is the dark organic matter in soil that is formed by the decomposition of plant and animal matter. It is a kind of soil organic matter. It is rich in nutrients and retains moisture in the soil. Humus is the Latin word for “earth” or “ground".
Detailed explanation-3: -Loamy soil is a mixture of sand, silt and clay. It is usually the best soil for cultivation as it has good water holding capacity. Loamy soil also contains a good amount of nutrients and humus (organic matter) which are necessary for the plant’s growth.