As producers of livestock and agricultural crops continue to focus significant efforts on improving the environmental, economic, and social sustainability of their systems, increasing the utilization of livestock manure in cropping systems to offset inorganic fertilizer use benefits both sectors of agriculture. However, promoting manure based purely upon nutrient availability may not be sufficient …
Hog farmers face a unique challenge to implement digestion — namely the low volumetric methane yield of wet swine manure. The most common digester used on hog farms using flushing systems is the covered lagoon. This presentation explores the technical feasibility of high rate reactors for low solids swine manure. Systems compared are Contact Stabilization Reactors, Upflow Anaerobic Sludge Blanket …
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In high yielding row crop intensive regions the role of swine manure as a crop nutrient source has increased in value, replacing the purchase of increasingly expensive commercial fertilizer by providing the nutrient needs of crops. Nutrients from manure are recycled to fertilize high yielding crops in an environmentally friendly, …
