Manure Methods

Solids
Rec. Methods of Manure Analysis; Overnight at 105°C

Volatile Solids    
Standard Methods; Ash at 550°C

Total Nitrogen
Rec. Methods of Manure Analysis; Combustion

Ammonia Nitrogen
Rec. Methods of Manure Analysis;
Titration

Minerals        
Rec. Methods of Manure Analysis; Acid digestion, ICP, (P, K, Ca, Mg, Na, Fe, Mn, Zn, Cu)

Water Soluble Phosphorus                                  
Rec. Methods of Manure Analysis; 
1:100 solids:water  

Carbon                                                                                     
Leco Application Note; 
Combustion  

pH                                                                                                    
Rec. Methods of Manure Analysis; 
Electrode  


References
Peters, J., et al. Recommended Methods of Manure Analysis (A3769). Board of Regents of the University of Wisconsin System, Cooperative Extension Publishing Operations. 2003.

Kleinman, P., et al.  Selection of a water extractable phosphorus test for manures and biosolids as an indicator of runoff loss potential. J. Environmental Quality. 36:1357-1367.

Standard Methods for the Examination of Water and Wastewater. 1992. 18th Edition, American Public Health Association, 1015 Fifteenth Street, NW, Washington , DC 20005.