Question : Which one of the following methods of soil conservation is most effective in arid areas?
Option 1: Mulching
Option 2: Shelter belt
Option 3: Gully plugging
Option 4: Terracing
Correct Answer: Shelter belt
Solution : The correct option is Shelter.
Shelterbelt is the most effective method of soil conservation in arid areas. A shelterbelt is a row of trees or shrubs placed to keep land from eroding due to wind. Shelterbelts function by breaking up the wind and slowing it down. This helps to keep the dirt from blowing away in the wind. Shelterbelts are particularly useful in dry locations because they can aid to retain soil moisture. The shelterbelt's trees and bushes absorb water, which helps to keep the soil wet. This is especially significant in desert regions where water is scarce. Shelterbelts can also aid to improve an area's microclimate. The shelterbelt's trees and bushes provide shade, which can aid to lower warmth and humidity. This has the potential to cause
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