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Rising temperatures threaten rice yield growth
Rising temperatures could slow the growth of rice production unless farmers adapt by changing management practices and switch to more heat-tolerant varieties, scientists say.
Rice is among the world's most important crops and a staple for people in Asia and Africa, with Asia producing and consuming more than 90 percent of the world's output.
A drop in production could lead to higher prices, fears over food security and more hunger in a world with a rising human population.
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A team of researchers led by Jarrod Welch of the University of California, San Diego, found that rice yields drop as night time temperatures rise over time, although the exact reasons why are not perfectly understood.
Rising temperatures could slow the growth of rice production unless farmers adapt by changing management practices and switch to more heat-tolerant varieties, scientists say.
Rice is among the world's most important crops and a staple for people in Asia and Africa, with Asia producing and consuming more than 90 percent of the world's output.
A drop in production could lead to higher prices, fears over food security and more hunger in a world with a rising human population.
A team of researchers led by Jarrod Welch of the University of California, San Diego, found that rice yields drop as night time temperatures rise over time, although the exact reasons why are not perfectly understood.
Article continues: http://www.reuters.com/article/idUSTRE6790HS20100810
