4. Quicklime treatment

4.1 Actions of quicklime

• Immediate actions (produced during mixing) :

  • reduction in natural water content ;

  • changes in the characteristics of the soil's clay fraction.

• Long-term actions (continued over several months) :

  • pozzolanic action ;

  • syntax action.

• Neutralization of environmental acidity

  It's also worth noting that the addition of lime to a soil rapidly and consistently raises its pH to $⩾12$...