|[[Image:Application_of_urine.png |right|300px]]
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[[Image:Icon_application_of_urine.png |right|95px]]
'''Separately collected, stored urine is a high quality, concentrated source of nutrients that can be applied as a liquid fertilizer in agriculture to replace all or some commercial chemical fertilizer.'''
With time, some minerals in urine will precipitate (especially calcium and magnesium phosphates). Any equipment that is used to collect, transport or apply urine (i.e. watering cans with small holes) may become clogged over time. Most deposits can easily be removed with hot water and a bit of acid (vinegar), or in more extreme cases, chipped off manually.
==Acknowledgements=={{:Acknowledgements Sanitation}} ==References and external links==
* Austin, A. and Duncker, L. (2002). Urine-diversion. Ecological Sanitation Systems in South Africa. CSIR, Pretoria, South Africa.
* WHO (2006). Guidelines for the safe use of wastewater, excreta and greywater – Volume 4: Excreta and greywater use in agriculture. WHO, Geneva. Available: http://www.who.int
==Acknowledgements==
{{:Acknowledgements Sanitation}}
