Quick Answer
Combining animal manure with humanure can be done, but it requires careful management to avoid contamination and pathogens. Proper mixing and processing are crucial to ensure the compost is safe and nutrient-rich for gardens. However, humanure should be segregated from other organic matter initially.
Humanure Segregation and Mixing
When segregating humanure, it’s essential to separate it from other organic matter, such as food waste and animal manure, for at least 6-12 months. This allows for the completion of the decomposition process, reducing the risk of pathogens and weed seeds. During this time, pile the humanure in a separate area, turning it regularly to maintain oxygen flow and speed up decomposition.
Composting Techniques
When mixing humanure with animal manure, maintain a carbon-to-nitrogen ratio (C:N ratio) of 25:1 to 30:1. This can be achieved by adding a mix of 2 parts “brown” materials (such as straw or sawdust) with 1 part “green” materials (such as humanure or animal manure). Regularly monitor the pile’s temperature, moisture, and oxygen levels to prevent anaerobic conditions and odor buildup.
Safety Precautions
When working with humanure, it’s essential to take safety precautions to avoid exposure to pathogens. Wearing gloves, a face mask, and protective eyewear is recommended when handling and mixing humanure. Regularly wash hands with soap and water after handling humanure, and ensure the compost pile has reached an internal temperature of at least 131°F (55°C) to kill pathogens.
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