Study: climate change accounts for only 1/3 of crop yield variation

Watts Up With That?

From the University of Minnesota:

When it comes to variations in crop yield, climate has a big say

Discovery of the huge but varied role of climate change in food production provides valuable insights for preparing for future conditions

The connection between climate and yield variability differs around the world. It is strongest in the red areas and weakest in the light green and gray areas. Credit University of Minnesota Institute on the Environment The connection between climate and yield variability differs around the world. It is strongest in the red areas and weakest in the light green and gray areas.
Credit
University of Minnesota Institute on the Environment

What impact will future climate change have on food supply? That depends in part on the extent to which variations in crop yield are attributable to variations in climate. A new report from researchers at the University of Minnesota Institute on the Environment has found that climate variability historically accounts for one-third of yield variability for maize, rice, wheat and soybeans worldwide — the equivalent of 36 million metric tons of food each year. This provides…

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