How to Add Calcium to Soil: 10 Steps (with
· Adding calcium to your soil can help your plants to absorb water and grow stronger. The easiest way to add calcium to your soil is to buy a soil additive, like lime or gypsum, from a garden centre. Lime will help to raise the pH of your soil, while gypsum maintains its pH. It''s best to do a pH test to see which one will work best for your soil. Alternatively, you can use old eggshells to add