GK
SOIL EROSION AND CONSERVATION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Prevention of spread of desert
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To check soil erosion by afforestation
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To check soil erosion by wind and rains
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All of these
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Detailed explanation-1: -Soil Conservation is a combination of practices used to protect the soil from degradation. First and foremost, soil conservation involves treating the soil as a living ecosystem. This means returning organic matter to the soil on a continual basis. Soil conservation can be compared to preventive maintenance on a car.
Detailed explanation-2: -The correct answer is Overdrawing of groundwater. Soil conservation is the prevention of loss of the topmost layer of the soil from erosion or prevention of reduced fertility caused by over usage, acidification, salinization, or other chemical soil contamination.
Detailed explanation-3: -The three methods of soil conservation are contour ploughing, crop rotation, and ploughing the land in the right direction. Soil conservation refers to the methods that are employed to maintain the fertility of the soil. It also includes maintaining the top layer of soil and preventing its erosion.