Introduction to Soil Science ICAR eCourse PDF Book

Book Detail: 

Language: English

Pages: 193

Price: Free

Developed By: TNAU

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Outline- INTRODUCTION TO SOIL SCIENCE

1. Soil – Pedological and edaphological concepts
2. Origin of the earth – Earth’s crust – Composition
3. Rocks and minerals
4. Weathering
5. Soil formation factors and processes – Components of soils
6. Soil profile
7. Soil physical properties – Soil texture – Textural classes – Particle size analysis
8. Soil structure – Classification
9. Soil aggregates – significance – Soil consistency – Soil crusting – Bulk density and particle density of soils & porosity – their significance and manipulation
10. Soil compaction – Soil Colour – Soil water
11. Retention and potentials – Soil moisture constants
12. Movement of soil water – Infiltration, percolation, permeability – Drainage – Methods of determination of soil moisture

13. Thermal properties of soils – Soil temperature – Soil air – Gaseous exchange – Influence of soil temperature and air on plant growth

14. Soil colloids – Properties, nature, types and significance
15. Layer silicate clays – their genesis and sources of charges
16. Adsorption of ions–Ion exchange–CEC& AEC – Factors influencing ion exchange Significance.

17. Soil organic matter – Composition – Decomposability
18. Humus – Fractionation of organic matter
19. Carbon cycle – C: N ratio. Soil biology – Biomass – Soil organisms – Their beneficial and harmful roles.

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