Climate change threatens corn crops

PhysOrg: A warming world is putting crops at risk, according to scientists who studied how the weather affects French maize yields. If climate-change projections are right, we'll need to improve yields per acre by as much as 12 per cent between 2016 and 2035 just to maintain today's total production. The results reveal a real threat to our food supply in the coming decades. It turns out that maize yields drop significantly for every day when temperatures climb over around 32°C, and that heat stress...

URL: http://phys.org/news/2013-02-climate-threatens-corn-crops.html
Enclosure: http://cdn.physorg.com/newman/gfx/news/2013/7-climatechang.jpg