Land Resources and Soils — Syllabus
Telangana Open School (TOSS) · Class 12 · Geography
What Land Resources and Soils covers in Telangana Open School (TOSS) Class 12 Geography: 4 topics, for the 2026-27 session.
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Topics in Land Resources and Soils
Land Resources and Land Use
- Land is a fundamental resource used for agriculture, housing, industries, and forests.
- India has about 328 million hectares of total geographical area, with 305 million hectares available for land use statistics.
- Arable land in India covers 167 million hectares, which is 51% of the total area.
Land Problems and Solutions
- About 175 million hectares of land in India suffer from degradation.
- Main causes of land degradation: soil erosion, water logging, salinization, mining, and urban encroachment.
- Deforestation is the most serious threat to soil health.
Soil Resources and Types
- Soil is the upper layer of the earth that supports plant growth and is formed from parent rock, climate, organisms, and time.
- India has six major soil types: Alluvial, Black, Red, Laterite, Desert, and Mountain soils.
- Alluvial soil is the most fertile and widespread, found in Indo-Gangetic plains and river deltas.
Soil Erosion and Conservation
- Soil erosion is the removal of topsoil by water, wind, or human activities.
- Physical factors: rainfall intensity, soil type, slope length and steepness.
- Social factors: deforestation, overgrazing, faulty farming methods.
Key Concepts
Central concept: Land and Soil Resources in India
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Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.
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