Why control the moisture content of organic fertilizer fermentation to 30%-40%?
Controlling the moisture content of organic fertilizer fermentation at 30%-40% is essentially about maintaining a “capacity balance” for the entire production line. Too high a moisture content saves time in the fermentation stage, but forces the granulation and drying stages to handle all the dehydration, thus limiting the overall production capacity. Too low a moisture content inhibits microbial activity, resulting in incomplete decomposition. Uncomposted material entering the granulation stage can cause sticking and strength problems. 30%-40% is the range where the fermentation completion point overlaps with the granulation feed window. Controlling this range isn’t just a matter for the fermentation stage; it’s the starting point for matching the overall production capacity.
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