1. NPDES Permit Writers’ Manual for CAFOs Chapter 6: Protocols for Land Application of Manure Nutrients (No. EPA 833-F-12-001);NRCS, U.,2012
2. Davis, C.G., et al., Assessing the growth of US broiler and poultry meat exports. US Department of Agriculture, Economic Research Service, Outlook Report No. LPDM-231-01. Nov. http://www. ers. usda. gov/media/1217411/ldpm-231-01-with-keywords. pdf, 2013.
3. April, U., Poultry-Production and Value 2020 Summary. 2021.
4. Aillery, M.P., et al., Managing manure to improve air and water quality. 2005.
5. US Geological Survey: Reston;Bolen;VA, USA,2022