Topsoil can vary dramatically in composition. Here are a few tips to ensure you get good-quality, healthy topsoil
There are no legal standards governing what a topsoil is. The common definition, that it should come from the top layer of the soil, means that it will vary dramatically
University Of Connecticut United States University Of Connecticut Soil Nutrient Analysis Lab Dawn Pettinelli Nutrient Analysis Lab Dawn Pettinelli
Source: berkshireeagle.com