Our next few columns will be based on common questions we receive during workshops conducted with installers. They are the same questions we’ve heard at almost every training over the years — and this tells us they are important to address in the Basic Training column.The first question comes up around a primary principle we’ve discussed many times: the keep it shallow, or KISS, principle, where the second S can be filled in using your imagination. The KISS principle is based on the concept that the most permeable and most biologically active part of the soil profile for both the
