Soil is often divided into various categories, such as clay, sand, silt, and loam, although there are an infinite number of soil varieties because soil compositions can vary widely in organic matter, large and small rocks, minerals, pH, and other factors. Most gardeners consider soil that has a combination of sand, silt, clay, and organic matter to be good soil.  This training will help you identify and prepare soil the the best results of your garden. It has to start with soil preparation. Click to download mobile app