News tagged with water stress

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Irrigation's impacts on global carbon uptake

Globally, irrigation increases agricultural productivity by an amount roughly equivalent to the entire agricultural output of the U.S., according to a new University of Wisconsin-Madison study.

Aug 25, 2011
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Weather conditions could results in cattle heat stress

Cattle producers should be aware that forecasted weather conditions could result in significant heat stress issues in cattle. The US Meat Animal Research Center predicts danger or emergency conditions through most of South ...

Jul 19, 2011
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Examining climate change effects on wheat

Wheat growers in the Southwest have a better idea about how to adjust to climate change in the decades ahead, thanks to U.S. Department of Agriculture (USDA) scientists in Arizona.

Feb 24, 2011
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Time to find a second Earth, WWF says

Carbon pollution and over-use of Earth's natural resources have become so critical that, on current trends, we will need a second planet to meet our needs by 2030, the WWF said on Wednesday.

Oct 13, 2010
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Crop failures set to increase under climate change

Large-scale crop failures like the one that caused the recent Russian wheat crisis are likely to become more common under climate change due to an increased frequency of extreme weather events, a new study shows.

Oct 07, 2010
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Going out on a (redwood tree) limb

How tall can a tree grow? Does sunlight or water limit the size and photosynthetic capacity of a leaf? Could constraints on leaf growth really determine the height of a tree? These are all questions that ...

Jun 28, 2010
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