These guidelines provide a thorough background on the safe use of urine and faeces for agricultural purposes. Aspects like the health risk associated we the use of human excreta in agriculture and how to limit them are discussed.
SCHOENNING, C. STENSTROEM, T.A. (2004): Guidelines on the Safe Use of Urine and Faeces in Ecological Sanitation Systems. (= EcoSanRes Publication Series ). Stockholm: Stockholm Environment Institute (SEI)