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Climate change presents pros, cons for grain supply

Updated: 2012-12-24 07:55
By Jin Zhu and Wang Qian ( China Daily)

Changes in rainfall and a concentration of greenhouse gases triggered by climate change may lead to an increase in China's grain yields in per-unit production over the next few decades.

But negative effects of climate change, including extreme weather, plant diseases and a rising number of insects, will pose a threat to grain supply security, experts said.

They added a rising population and arable land loss will also pose greater potential risks to the country's aims to ensure adequate food supply.

Climate change presents pros, cons for grain supply

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