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प्रश्न
Which of the following constituents would you add to your garden to increase the fertility to the soil?
विकल्प
Silica
Humus
Clay
Sand
MCQ
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उत्तर
Humus
Explanation:
Humus is decomposed organic matter in soil that enriches it with nutrients and improves its fertility. Silica, clay and sand do not increase fertility as effectively as humus does. Humus enhances nutrient content and soil structure, supporting plant growth.
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