1. APHA (1995). Standard Methods for the Examination of Water and Wastewater, 19th Edn. American Public Health Association, Washington, DC
2. ASAE (1999). Manure production and characteristics. ASAE D384.1 DEC98. In: ASAE Standards 1999, pp 663–665. American Society of Agricultural Engineers, St Joseph, MI
3. AWARDS (1996). Agricultural Weather Automatic Retrieval Display System, http://www.agen.ufl.edu/~wethr. University of Florida, Gainesville, FL
4. Effects of Fe and Ca additions to dairy wastewaters on solids and nutrient removal by sedimentation;Barrow;Applied Engineering in Agriculture,1997
5. Irrigation systems for dairy manure;Brodie,1989