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Manure Testing Methods

List of the standard manure testing methods used by the Agricultural Analytical Services Lab.
AnalyteMethodReference
% Solids, (Dry weight) Dried at 105 C, Overnight Hoskins, B, A. Wolf, and N. Wolf. 2003. Dry matter analysis. In: J. Peters et al. (eds.) Recommended methods of manure analysis.  Univ. of Wisconsin Cooperative Extension
Publishing, Publication No. A3769. Madison, WI. p. 14–17.
Total P, K, Ca, Mg, S, Na, Cu, Zn, Mn, Fe, Al Microwave-assisted acid digestion, ICP Wolf, A., M. Watson, and N. Wolf. 2003. Digestion and dissolution methods for P, K, Ca, Mg, and trace elements. In: J. Peters et al. (eds.) Recommended methods of manure analysis.  Univ. of Wisconsin Cooperative Extension Publishing, Publication No. A3769. Madison, WI. p. 30-38.
Total N Combustion Watson, M, A. Wolf, and N. Wolf. 2003. Total nitrogen. In: J. Peters et al. (eds.) Recommended methods of manure analysis.  Univ. of Wisconsin Cooperative Extension Publishing, Publication No. A3769. Madison, WI. p. 18-24.
Ammonium N Specific Ion Electrode Peters, J., A. Wolf, and N. Wolf. 2003. Ammonium nitrogen. In: J. Peters et al. (eds.) Recommended methods of manure analysis.  Univ. of Wisconsin Cooperative Extension Publishing, Publication No. A3769. Madison, WI. p. 25-29.
pH Specific Ion Electrode Wolf, N. 2003. Determination of pH. In: J. Peters et al. (eds.) Recommended methods of manure analysis.  Univ. of Wisconsin Cooperative Extension Publishing, Publication No. A3769. Madison, WI. p. 48-49.
Soluble Salts Electrical Conductivity Wolf, N. 2003. Determination of manure electrical conductivity. In: J. Peters et al. (eds.) Recommended methods of manure analysis.  Univ. of Wisconsin Cooperative Extension Publishing, Publication No. A3769. Madison, WI. p. 50-51.
Total C Combustion Pella, E. 1990. Elemental organic analysis. Part 1. Am. Lab 22: 116-125
Water Extractable P 1:100 (solids:water) extraction Kleinman, P., D. Sullivan, A. Wolf, R. Brandt, Z. Dou, H. Elliott, J. Kovar, A. Leytem, R. Maguire, P. Moore, L. Saporito, A. Sharpley, A. Shober, T. Sims, J. Toth, G. Toor, H. Zhang, T. Zhang. 2007. Selection of a water extractable phosphorus test for manures and biosolids as an indicator of runoff loss potential. J. Environ. Qual. 36: 1357-1367
% Volatile Solids Ashed at 550 C (Method 2540G) Standard Methods for the Examination of Water and Wastewater. 1992. 18th Edition, American Public Health Association, 1015 Fifteenth Street, NW, Washington , DC 20005.
As EPA Method 3050/3051 + 7060 USEPA. 1986. Test Methods for Evaluating Solid Waste. Volume IA: 3rd Edition. EPA/SW-846. National Technical Information Service. Springfield, Va.
Se EPA Method 3050/3051 + 7740 USEPA. 1986. Test Methods for Evaluating Solid Waste. Volume IA: 3rd Edition. EPA/SW-846. National Technical Information Service. Springfield, Va.
Hg EPA Method 7470 USEPA. 1986. Test Methods for Evaluating Solid Waste. Volume IA: 3rd Edition. EPA/SW-846. National Technical Information Service. Springfield, Va.
Calcium Carbonate Equivalency (CCE) ASTM Method C 25 Standard Test Methods for Chemical Analysis of Limestone, Quicklime, and Hydrated Lime, ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA