Climate change will affect rice yields, says study

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Related tags: Energy

New findings on global rice yields have raised new concerns that levels will drop in coming years due to higher temperatures.

The research, conducted by Jarrod Walch and published in the Proceedings of the National Academy of Science (PNAS), used data from 227 farmer-managed fields to assess impacts of daily minimum and maximum temperatures and solar radiation on rice yields in tropical/subtropical Asia.

The effects were observed over several growing seasons.

“Temperature and radiation had statistically significant impacts during both the vegetative and ripening phases of the rice plant. Higher minimum temperature reduced yield, whereas higher maximum temperature raised it; radiation impact varied by growth phase.”

They say this may imply a net negative impact on yield from moderate warming in coming decades and beyond.

Related topics: Market Trends

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