Composting and fermentation is a key step in the process of using fertilizer manufacturing equipment to treat pig manure. In the process of fermentation, it is necessary to adjust the moisture content of materials to promote the normal aerobic fermentation.
The moisture content of fermented pig manure and chicken manure should be controlled at 40-65%. Moisture judgment: hold a handful of pig manure tightly, see the watermark but do not drip, and disperse immediately after landing. Less water, slow fermentation, more water, poor ventilation, therefore, we must grasp the moisture content. If the moisture content is too high, straw, sawdust, mushroom residue and dry soil powder can be added.
The method to judge whether the moisture content is suitable or not: hold a handful of materials tightly, see the watermark but do not drip on the finger seam, and disperse immediately after landing. In general, the whole fermentation process can be completed after 5-7 days, such as complete deodorization, fermentation, sterilization, etc.
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