Arresting Soil Erosion - Visualizing Its Causes, Effects and Conservation YouTube Lecture Handouts
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Arresting Soil Erosion - Visualizing its Causes, Effects and Conservation
SOIL EROSION
- Naturally occurring process that affects all landforms.
- It is the washing or blowing away (by water or wind) of the top layer of soil.
Rain and Cloud for Soil Erosion
- Impact of raindrops on the soil surface can break down soil aggregates and disperse the aggregate material.
Wind for Soil Erosion
- It is a serious environmental problem.
- Attracting the attention of many across the globe.
- Occurring mostly in:
- Flat, bare areas
- Dry, sandy soils
- or anywhere the soil is loose, dry, and finely granulated
Slope
Slope
Human Causes
Natural Causes
Striking Forces
Effects of Soil Erosion
- Effects of soil erosion can be felt on-site, meaning at the site of soil disruption. So, soil quality is reduced.
- Crops are damaged due to sand storms.
SOIL CONSERVATION
- It is the prevention of soil loss from erosion or reduced fertility caused by over usage, acidification, salinization or other chemical soil contamination.
AFFORESTATION
- It is the establishment of forest or stand of trees in an area where there was no previous tree cover.
- It is the process of planting large numbers of trees on land.
- It is necessary to combat the issues of:
- Global warming
- Soil erosion
- Pollution
- Maintenance of biodiversity and ecological balances.
Wind
Agronomic Measures
Mulching
- It enriches and protects soil.
- Helping provide a better growing environment.
- One of the simplest and most beneficial practices
Maintain Soil Fertility
Mechanical Measures
Types of Soil
- Hard soil
- Break Soil
- Sub Soiling
✍ Manishika