Good composting ability starts with a good recipe and your ability to monitor the compost and react to changes that occur. Many operators claim it's the "art of composting." Good records can help improve your compost quality.
At the start of the composting process, it is important to keep records of the raw materials that are composted, the C:N ratios, and the approximate moisture content. Records should also include when the compost was turned and the current conditions of the compost. Temperatures need to be monitored regularly.
Some standard operating procedures require daily temperature recording during the active phase to ensure the required temperatures are reached. It is recommended that the thermometer be one meter (or three feet tall) with a temperature range of 0-80°C and placed in the center of the stack at various locations for each monitoring event.
Note the humidity condition and odors. Bad odors may indicate anaerobic conditions or a lack of oxygen. Ammonia odors can indicate high nitrogen content.
Additional records and sampling may be required when composting permits are required, such as adding off-farm materials or selling compost as soil amendment or fertilizer.
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