Exploration of nitrogen use efficiency and root-shoot-soil variation on the stoichiometric characteristics of carbon, nitrogen, phosphorous and potassium for winter wheat under various nitrogen treatments.

In wheat roots during the jointing stage, the TC content under N180 treatment was the highest, significantly increasing by 6.1% compared with N0 treatment, whereas at the anthesis stage, as the N application increased, the TC content showed a decreasing trend.

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