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KARI

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This is a variation of the [[Chapin]] bucket kit and involves using a drum of about 200-litre capacity or the equivalent of five bucket drip irrigation systems. The development of this adaptation is credited to a farmer in Eldoret in the Rift Valley Province of Kenya who, after working with the bucket drip kits, connected an old drum to supply four drip lines. KARI improved on the drum adaptation by designing the manifold with 4 or 5 openings each serving two drip lines.

'''Uses of a drum system'''<br>

A drum system covering 5 beds each 1 m wide and 15 m long can be used to grow 250 plants (tomato, egg plant and similar plants requiring a spacing of 60 cm along the plant rows); 500 plants (spinach, cabbage, kale, pepper and similar plants requiring a spacing of 30 cm along the plant rows); or 1,500 plants (onion, carrot and similar plants requiring a spacing of 10 cm). The drum system also offers water storage and control through a control valve, making it possible to fill the drum for irrigating at another time.

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