Not all topsoil is created equal; choosing the right topsoil may take some detective work and knowledge. For growing a lawn, topsoil should have a few characteristics that will aid the grass seed in growing.
Topsoil is the top layer of soil that holds nutrients and organic material. Because of the various types of soils and different amendments to soils over the years, topsoil at one place may be very different than another brand or one sold at another location.
A good-quality topsoil will hold and add nutrients that in turn feed and nourish your lawn. The rich organic material in good topsoil may be from compost or other natural materials that were added to the topsoil over the years before it was claimed.
Topsoil may contain traces of herbicides, chemicals or other harmful materials depending on where it came from. Know where the topsoil came from prior to purchase.
For lawns, topsoil should have a pH of between 5.5 and 7.5. It should be loam or sandy loam, not clay or extremely sandy. Purchase topsoil that has been screened; screening removes rocks, roots and other materials.
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