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Irrigation

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[[Image:Icon_irrigation.png |right|95px]]
'''To reduce dependence on freshwater and maintain a constant source of irrigation water throughout the year, waste waters of varying qualities can be used in agriculture. Generally, only waters that have had secondary treatment (i.e. physical and biological treatment) should be used to limit the risk of crop contamination and the health risk to workers.'''
Drip irrigation systems must be cleaned periodically to remove any built-up solids. The pipes should be checked for leaks as they are prone to damage from rodents and humans. Drip irrigation is more costly than conventional irrigation, but has improved yields and decreased water/ operating costs.
==Acknowledgements=={{:Acknowledgements Sanitation}} ==References and external links==
* Ayers, RS. and Westcot, DW. (1994). FAO Irrigation and Drainage Paper 29 Rev. 1. Water Quality for Agriculture. FAO, Rome. Available: http://www.fao.org
* WHO (2006). Guidelines for the safe use of wastewater, excreta and greywater- Volume 2: Wastewater and excreta use in agriculture. WHO, Geneva.
 
==Acknowledgements==
{{:Acknowledgements Sanitation}}
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