Liming materials are relatively inexpensive, comparatively mild to handle and leave no objectionable residues in the soil. Some common liming materials are: (1) Calcic limestone which is ground ...

Prof J Louis van Rooy of the Department of Geology at the University of Pretoria told Times Live that the dolomitic soil in Centurion is a significant factor in the frequency of sinkholes.

There are two different types of lime: calcitic lime and dolomitic lime. While both raise the soil's pH and are made of ...