GK
SOIL EROSION AND CONSERVATION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Moisture content in the soil
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Presence of air
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Flow of water
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All of the above
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Detailed explanation-1: -Mulching retains soil moisture by decreasing soil water evaporation and increasing infiltration.
Detailed explanation-2: -Like other conservation tillage methods, mulch till has many environmental benefits including reduction of soil erosion, increased amount of organic matter in the soil, conservation of water by reducing evaporation at soil surface, and reduction of fossil fuel emissions.
Detailed explanation-3: -Mulching has demonstrated efficacy to enhance soil health by reducing evaporation, increasing moisture retention, regulating temperature, enhancing nutrient availability and root absorption, suppressing weeds, decreasing salinity, encouraging biological activity, and controlling crop pests and diseases.