Effects of autumn foliar application of ¹⁵n‐urea on nitrogen storage and reuse in appleFootnote¹

The experiment was conducted in Beijing Agricultural University and was partially subsidized by the National Fund Committee of Nature and Science of China.

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• The experiment was conducted in Beijing Agricultural University and was partially subsidized by the National Fund Committee of Nature and Science of China.
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• Graduate student and currently a visiting scientist under FAO (Food and Agricultural Organization of the United Nations) Fellowship at USDA‐ARS Appalachian Soil & Water Conservation Research Laboratory, Beckley, West Virginia, USA.
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• Professors in Beijing Agricultural University.
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