==Suitable conditions ==
* Drip irrigation is often the favoured method of irrigation, for example on steep and undulating slopes, for porous soils, for shallow soils, fields having widely varying soils, where water is scarce, where water is expensive, and where water is of poor quality.
* Drip irrigation is suitable for any plot under 0.4 hectare (one acre), but their modular design allows for expansion above that.* The pepsi Pepsi drip has a capacity of 0.1 - 2 ha.
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==Technical specificationConstruction, operations and maintenance==Use the most economical system possible that will give results. IDE in Cambodia lowered the cost of drip systems by:<br>#Replacing conventional emitters with holes and micro tubes.# Shifting water distribution lines extending to crops. # Customizing system layouts for small plots.# Reducing cost of water storage – the use of a hanging plastic water storage bag also lowers the cost. Experience shows that costs are reduced by three quarters by doing this, resulting in cost of about US$5 for a 200 litre bag that will cover 20 m2.* The water tank capacity should be equal to one day retention of the daily water requirement. It should be placed at sufficient height to allow flow by gravity – approximately 1 metre height for an area of 100m2, 1.5 metres for 500 m2, and 2 metres for 1,000m2. * A filter is needed prior to water entering the pipes in order to keep them clean from clogging. * Pipes vary in size and are made from varieties of polyethylene (PE) and soft PVC. * The emitter is the most important part of a drip system because it delivers water at the desired rate to the plant and maintains water application uniformity over the entire irrigated area. An emitter should match particular field conditions including type of crop, spacing of the plants, terrain, water requirement, water quality, operating time and pressure head. At the same time, the emitters cause the most problems through blockages (particles, salts or algae) and need to be maintained. * Try to bury main pipes underground to reduce visibility for theft.
====Estimated Lifespan====
* [http://www.cgiar.org/iwmi www.cgiar.org/iwmi ]
* [http://www.ideorg.org www.ideorg.org ]
* [http://www.practicafoundation.nl www.practicafoundation.nl ]
{{Joinus}}==Acknowledgements==