Difference between revisions of "Irrigation - Spray head"
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[[Image:Spray_head_icon.png|right]] | [[Image:Spray_head_icon.png|right]] | ||
| + | [[Image:Spray_head.PNG|thumb|right|250px|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-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. |
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| − | 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. | Treadle pumps combined with spray-heads are promoted by Approtec in East Africa and Enterprise Works in West Africa. | ||
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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. | 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 == | ==Suitable conditions == | ||
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{{procontable | pro= | {{procontable | pro= | ||
- High water use efficiency. <br> | - High water use efficiency. <br> | ||
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| − | == | + | ==Construction, operations and maintenance== |
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| − | == | + | ==Costs== |
US$ 2 - 5 for a spray-head. US$ 300 - 600 for a unit with petrol pumps. | US$ 2 - 5 for a spray-head. US$ 300 - 600 for a unit with petrol pumps. | ||
| − | == | + | ==Field experiences== |
<b>Location:</b> West Africa. | <b>Location:</b> West Africa. | ||
| − | == | + | ==Reference manuals, videos, and links== |
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[http://www.enterpriseworks.org www.enterpriseworks.org ] [http://www.hipponet.nl www.hipponet.nl ] [http://www.approtec.org www.approtec.org ] | [http://www.enterpriseworks.org www.enterpriseworks.org ] [http://www.hipponet.nl www.hipponet.nl ] [http://www.approtec.org www.approtec.org ] | ||
| − | == | + | ==Acknowledgements== |
{{Joinus}} | {{Joinus}} | ||
Revision as of 02:02, 28 April 2012
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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.
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. |
Construction, operations and maintenance
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
Acknowledgements
|
