Write a short note on Soil
Erosion.
Answers
Answer:
Soil erosion is a naturally occurring process that affects all landforms. In agriculture, soil erosion refers to the wearing away of a field's topsoil by the natural physical forces of water and wind or through forces associated with farming activities such as tillage.
or through forces associated with farming activities such as tillage.Erosion, whether it is by water, wind or tillage, involves three distinct actions – soil detachment, movement and deposition. Topsoil, which is high in organic matter, fertility and soil life, is relocated elsewhere "on-site" where it builds up over time or is carried "off-site" where it fills in drainage channels. Soil erosion reduces cropland productivity and contributes to the pollution of adjacent watercourses, wetlands and lakes.
or through forces associated with farming activities such as tillage.Erosion, whether it is by water, wind or tillage, involves three distinct actions – soil detachment, movement and deposition. Topsoil, which is high in organic matter, fertility and soil life, is relocated elsewhere "on-site" where it builds up over time or is carried "off-site" where it fills in drainage channels. Soil erosion reduces cropland productivity and contributes to the pollution of adjacent watercourses, wetlands and lakes.Soil erosion can be a slow process that continues relatively unnoticed or can occur at an alarming rate, causing serious loss of topsoil. Soil compaction, low organic matter, loss of soil structure, poor internal drainage, salinisation and soil acidity problems are other serious soil degradation conditions that can accelerate the soil erosion process.
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Answer:
Hii user....
Good evening.....
Here is your answer....
Soil erosion implies the removal of the top soil by agents, such as wind and water
Without human actiVities, losses of soil, through erosion, in most areas, would probabiy
be balanced by the formation of new soil. In forests and grasslands, vegetation protects
he soil. When rain falls on the surface of grass, or on the leaves of trees, some of the
moisture evaporates before it can reach the ground. Trees and grass serve as 'wind
preakers, and the network of plant roots helps to hold the soil in place against the
ction of both rain and wind.Agriculture and deforestation, along with housing, industrial development and
ighway construction, destroy the protective canopy of vegetation and greatly
Speed up erosion of soil. Overgrazing can change grassland into deserts. Careless
ultivation, which involves leaving the field fallow for some time, can also cause soil
erosion.
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