Unit IV
Topics
- Ion exchange phenomena →
- Layer silicate clays →
- their genesis and sources of charges →
- Adsorption of ions →
- ion exchange →
- CEC and AEC →
- factors influencing ion exchange and its significance →
- Soil reaction →
- Buffering capacity and EC →
- Soil organic matter →
- composition →
- decomposition →
- Humus →
- Fractionation of organic matter →
- Carbon cycle →
- C:N ratio →
- Soil biology →
- Biomass →
- Soil Organisms & their beneficial & harmful roles. →