Impact of Repeated Applications of Liquid Swine Manure and Biogas Production By-Products on Soils and Crops
Rates of raw liquid swine manure or biodigestate of 3,000 to 4,000 gallons per acre – around 75 to 100lbs of nitrogen per acre per year – provided optimum yields of barley, report J.J. Schoenau and T.N. King of the University of Saskatchewan and S.S. Malhi of Agriculture and Agri-Food Canada. Their paper is published in the 2011 Annual Report from the Prairie Swine Centre.
23 August 2012
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