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What is Compost?

Aeration
C:N ratio
Moisture
Particle size
pH
Bin size


Size and shape of the compost pile

A compost pile must be of sufficient size to prevent rapid dissipation of heat and moisture, yet small enough to allow good air circulation. The minimum dimension to keep sufficient heat in the pile is 3 feet x 3 feet x 3 feet (1 cubic yard). The maximum dimension to allow air to diffuse to the center of the pile is 5 feet x 5 feet x any length. Some composting bins add insulation to adjust for smaller size and other composting systems use forced air to compensate for larger size.




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