University of Idaho Extension

dairy manure compost

Compost is the product of the controlled biological decomposition of organic materials. Composting typically reduces manure volume by 30 to 50%, which makes the material significantly more affordable to transport and provides many other benefits. Composting is a microbial-driven process. Composting could occur in both aerobic and anaerobic conditions. However, aerobic composting is preferred. If provided a suitable environment, the microbes will do the composting work. The most important factors for successful composting are the nitrogen to carbon ratios (the ideal C: N ratio is generally considered to be around 30:1), moisture contents within compost piles (between 50-60%), temperatures (105-160 ˚F), oxygen contents within compost piles (more than 10% is better), and pH levels (5.5 – 8).

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