Virginia Cooperative Extension (VCE). 2009. Poultry and Livestock Manure Storage: Management and Safety. VCE Publication 442-308. http://pubs.ext.vt.edu/442/442-308/442-308.html

Virginia Cooperative Extension (VCE). 2009. Poultry and Livestock Manure Storage: Management and Safety. VCE Publication 442-308. http://pubs.ext.vt.edu/442/442-308/442-308.htmlacs-admin2022-10-07T14:23:50+00:00