Penn State research published in PLOS One shows that rising temperatures in the Northeast will threaten corn production in the southern reaches of the region by 2050, with implications for regional dairy producers who grow their own feed. Climate models predict that the Northeast will be the fastest-warming region of the contiguous United States. Although this can bring the benefits of fewer spring and fall freezes and a faster rate of growing-degree-day accumulation, it can also mean a water deficit during corn's reproductive stages that threatens yield. The northern and central parts of the region could experience enhanced yields, but southern-region yields are threatened by the rising temperatures and potential drought stress, and farmers may have to shift planting dates and implement irrigation to keep water supplies to their crops steady.
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