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Composting Swine Manure From High Rise Finishing Facilities, Edwin L. Ritchey, Kim Cook
Composting Swine Manure From High Rise Finishing Facilities, Edwin L. Ritchey, Kim Cook
Plant and Soil Sciences Research Report
Swine production has restructured considerably in recent years with increased production on fewer farms (Key et al., 2011). Most swine production facilities manage manure in liquid form either in deep pits underneath production facilities or in lagoons adjacent to the production facilities (Key et al., 2011). This management uses water to rinse manure from the facilities, which dilutes the nutrient concentration and value of the manure. The liquid forms are applied to land through irrigation systems or by liquid manure spreaders. Liquid manure management can have some operational constraints that composting eliminates (Bernal et al., 2009). The most common issue …