Soil Salinity

Saline Soil

pH > 7.0

Local Names for Saline Soils

• Reh
• Kallar

Soil with pH > 8.0

• even the saline soil requiring crops
  • will fail
    • Soyabean
    • Sorghum

• presence of salts in groundwater

  • NaCl
  • sulphates & chlorides of
    • Ca²⁺
    • Mg²⁺
    • K⁺

• under ⬆️ temp

  • evaporation ➡️ salt laden groundwater
    • salt deposition at top soil ➡️ Soil Salinity

Critical Conditions for Soil Salinity

• Water Logging
• salts in ground water
• high temp
  • intensifying capillary action of water via plant roots
• Soil Salinity under certain cases

What can be done?

• improving the passage of water

Also refer:

• Sodic Soils
• Soil Alkalinity