A center pivot irrigation system waters soybean fields in summer. (Photo by Slavica via Shutterstock) With climate change, irrigating more crops in the United States will be critical to sustaining future yields, as drought conditions are likely to increase due to warmer temperatures and shifting precipitation patterns. Yet less than 20% of the nation’s croplands are equipped for irrigation.
A Dartmouth-led study finds that by the middle of the 21st century, under a moderate greenhouse gas emissions scenario, the benefits of expanded irrigation will outweigh the costs of installation and operation over an expanded portion of current U.S. croplands.
The results […]
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