Drip irrigation, Kaluaggala, Sri Lanka.

Drip faucet watering a Gerbera flower plant.

Drip sprayer inside an orchid house

Water tank, pump and filter.

Timer to control the water pump.

Drip irrigation was a technique pioneered by Israel in the water scarce country. The theory was that water sent in as drips, close to the root of any plant was utilised more efficiently. There was less water loss by evaporation or seeping into adjoining soil.