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Why is conservation of topsoil necessary in agriculture?

Answer and explanation

Correct answer: Because topsoil contains more nutrients and organic matter needed for plant growth

Topsoil is the fertile uppermost layer of soil. It contains humus, mineral nutrients and microorganisms that support plant growth and crop production. When erosion removes this layer, soil fertility and water-holding capacity may decrease. Option B is incorrect because topsoil does much more than affect soil colour; its key role is maintaining fertility. Exam tip: associate topsoil with humus, nutrients and soil fertility.

Related tags

TopsoilSoil ConservationSoil FertilityAgricultureErosionCrop ProductionTraditional Occupations In India AgricultureWorkLivelihood And Career

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