Upgrade rainfed agriculture by improving soil moisture and using supplemental irrigation.

The river's water is used not only for hydroelectric power but also irrigation and drinking water.

People who use irrigation may need only a cover or pad over the stoma.

The cultivation of the plant spread throughout the medieval Arab world using artificial irrigation.

Using irrigation, they have extended the fruiting season to eight months.

They had developed new methods of farming- terracing the land, using irrigation, rotating crops to rest the soil.

One study showed that people with chronic sinus problems who used nasal irrigation were able to reduce their use of medications.

Those in what became central Chile were more settled and more likely to use irrigation.

All agriculture must use irrigation; there is no dryland agriculture.

They used irrigation to farm and built cities.