Irrigation - Spray head

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Spray irrigation for urban market gardening in Mali.

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.

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
- High water use efficiency. - Saves energy and labour.

Costs

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

Field experiences

Location: West Africa.

Reference manuals, videos, and links

• www.enterpriseworks.org
• www.hipponet.nl
• www.approtec.org
• Small scale pumped irrigation. FAO.

Acknowledgements

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