CRAIG LOVELL / AGSTOCKUSA / SCIENCE PHOTO LIBRARY CRAIG LOVELL / AGSTOCKUSA / SCIENCE PHOTO LIBRARY
Sprinkler irrigation. High-pressure sprinklers irrigating vegetables, in this case a field of lettuce, Lactuca sp.. Vegetables such as lettuce need large amounts of water to promote growth. A lack of water can lead to a much lower crop yield. The heads of the sprinklers automatically rotate to ensure that the whole field is covered. Photographed near Watsonville in California, USA.
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