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Observed trends in multiple breadbasket yield shocks 2024-09-25 Extreme climate events in breadbasket regions have become more frequent due to climate change, exposing crops to a greater frequency and intensity of abiotic stress. But by using observed crop yield statistics and an ensemble of statistical models, we demonstrate that over the last six decades the frequency of crop yield shocks in breadbasket regions has been decreasing due to both climate and non-climate factors. Here non-climate factors refer to interannual variability unrelated to abiotic stress, such as biotic stress and management decisions. ...