Two basic classes of liming content may be applied to lift the soil pH. Calcitic lime is made up of calcium carbonate and can be utilized on soils higher in magnesium. Dolomitic lime is a mixture of calcium and magnesium carbonates; it should be used on soils low in magnesium. https://idoseobro.blogspot.com/2024/09/soil-testing-lab-essential-for-every.html