Soil erosion and
major threats to soil as a
resource
Answers
Answer:
Major threats to the conservation of soil resources are soil erosion both by water and air, salinization/alkalinity, acidity, organic carbon losses, nutrient imbalance, pollution/contamination by toxic substances, and soil sealing and capping
Answer:
Soil erosion : is the displacement of the upper layer of soil; it is a form of soil degradation. This natural process is caused by the dynamic activity of erosive agents, that is, water, ice (glaciers), snow, air (wind), plants, animals, and humans. In accordance with these agents, erosion is sometimes divided into water erosion, glacial erosion, snow erosion, wind (aeolean) erosion, zoogenic erosion and anthropogenic erosion
Explanation:
Major Threats : A major factor responsible for the degradation of the natural resources is soil erosion. In general, soil erosion is
more severe in mountainous than in undulating and plain areas. Inappropriate soil management, unsuited to the
location like tilling along the slope, lack of crop cover during heavy rainfall, etc. is responsible for accelerated soil
erosion with consequent loss of land productivity. According to an estimate, more than 85 M ha of TGA is subjected
to water and wind erosion. Because of different processes like slaking and dispersion, mechanisms of soil structural
collapse and degradation vary climatically and from one soil type to another.
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