A recent study suggests that the optimal temperature for symbiotic nitrogen fixation rates exceeds the plant’s preferred growth temperature in laboratory conditions. A few degrees of warming could thereby increase or decrease nitrogen fixation rates, depending on the optimal rate among species.
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Wang, YP., Houlton, B.Z. Climate tipping point of nitrogen fixation. Nat. Plants 8, 196–197 (2022). https://doi.org/10.1038/s41477-022-01116-y
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DOI: https://doi.org/10.1038/s41477-022-01116-y
