Related topics: water

Scientists find massive Mayan society under Guatemala jungle

Researchers using a high-tech aerial mapping technique have found tens of thousands of previously undetected Mayan houses, buildings, defense works and pyramids in the dense jungle of Guatemala's Peten region, suggesting ...

Corporations pledge sustainability at Rio+20

Microsoft and other firms attending the Rio+20 business forum are falling over each other to prove their corporate responsibility credentials, but critics remain highly skeptical about their commitments.

Garden of Eden: Paradise lost -- and found

Ancient gardens are the stuff of legend, from the Garden of Eden to the Hanging Gardens of Babylon. Now researchers at Tel Aviv University, in collaboration with Heidelberg University in Germany, have uncovered an ancient ...

Did ancient irrigation technology travel Silk Road?

Using satellite imaging and drone reconnaissance, archaeologists from Washington University in St. Louis have discovered an ancient irrigation system that allowed a farming community in arid northwestern China to raise livestock ...

People waste nearly a pound of food daily: study

Americans waste nearly a pound of food per person each day, but the exact amount of food we trash differs by how healthy your diet is, a new University of Vermont co-authored national study finds.

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Irrigation

Irrigation may be defined as the science of artificial application of water to the land or soil. It is used to assist in the growing of agricultural crops, maintenance of landscapes, and revegetation of disturbed soils in dry areas and during periods of inadequate rainfall. Additionally, irrigation also has a few other uses in crop production, which include protecting plants against frost, suppressing weed growing in grain fields and helping in preventing soil consolidation. In contrast, agriculture that relies only on direct rainfall is referred to as rain-fed or dryland farming. Irrigation systems are also used for dust suppression, disposal of sewage, and in mining. Irrigation is often studied together with drainage, which is the natural or artificial removal of surface and sub-surface water from a given area.

Irrigation is also a term used in medical/dental fields to refer to flushing and washing out anything with water or another liquid.

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