Agri Books

Download the Agriculture E-Course pdf of Introduction to Soil Science for B.Sc. Agriculture. PDF of Introduction to Soil Science e-Krishi Shiksha pdf for B.Sc. Agriculture is systematically arranged with a content index.

Name of Topic in E-Course pdf of Introduction to Soil Science for B.Sc. Agriculture.

1. Soil-pedological and edaphological concepts
2. Origin of the earth’s crust- composition
3. Rocks and minerals
4. Weathering
5. Soil formation factors and process- components of soil
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 crushing bulk density and particle density of soil & porosity- their significance and manipulation
10. Soil compaction- soil color- 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 sois- 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 silicates 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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