. One bulk item per delivery charge. Black dirt comes from the lower layers of peat bogs and is made up of decomposed plants and essential nutrients. Heavy clay soils can be loosened, or sandy light soils can be stiffened by adding black dirt. It also holds water well, reducing your need to water. Our black dirt is screened and aerated so that large clods, sticks, clay balls, debris and rocks have been removed. It is very consistent in texture
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