Irrigation - Spray head

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Spray-head irrigation requires pressure from pedal or motor pumps. In West Africa, the spray-head is mounted on a lay-flat hose connected to a small petrol pump.

Spray irrigation is an intermediate option between a watering can and more sophisticated sprinkler or drip irrigation. It has high water use efficiency and saves energy and labour.

Treadle pumps combined with spray-heads are promoted by Approtec in East Africa and Enterprise Works in West Africa.

Spray irrigation for urban market gardening in Mali

History and social context

Due to its simplicity, spray irrigation technology has spread spontaneously from farmer to farmer in West-African countries such as Mali, Niger and Togo. A recent survey in Bamako, Mali, among 80 market gardeners showed that more than 60% used this method.

Suitable conditions

Advantages	Disadvantages/limitations
- High water use efficiency. - Saves energy and labour.

Cost

US$ 2 - 5 for a spray-head. US$ 300 - 600 for a unit with petrol pumps.

Country experiences

Location: West Africa.

External Links

www.enterpriseworks.org www.hipponet.nl www.approtec.org

References

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