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- Labour intensive. <br> - Pathogens may exist in a dormant stage (oocysts) which may become infectious if moisture is added. <br> - Does not replace fertilizer (N, P, K).
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==Adequacy==
Faeces should be kept as dry as possible. If by accident, water or urine enters mixes with the drying faeces, more ash, lime or dry soil can be added to help absorb the moisture. Prevention is the best way of keeping the faeces dry.
==Acknowledgements==
{{:Acknowledgements Sanitation}}
==Referencesand external links== * Elizabeth Tilley et.al (2008). [http://www.eawag.ch/organisation/abteilungen/sandec/publikationen/publications_sesp/downloads_sesp/compendium_high.pdf Compendium of Sanitation Systems and Technologies] ([http://www.eawag.ch/organisation/abteilungen/sandec/publikationen/publications_sesp/downloads_sesp/compendium_low.pdf low res version]). Department of Water and Sanitation in Development Countries ([http://www.sandec.ch/ Sandec]) at the Swiss Federal Institute of Aquatic Science and Technology (Eawag). (Provides a full overview of sanitation systems.)
* Austin, A. and Duncker, L. (2002). Urine-diversion. Ecological Sanitation Systems in South Africa. CSIR, Pretoria.
