Foliar ammonium nitrogen at booting stage enhances 2-acetyl-1-pyrroline, modulates functional compounds, antioxidant activity, and head rice yield in fragrant rice - Guanhao Huang; Na Chen; Yingling Wu; Fukang Li; Xinyu Chen; Jiemei Peng; Zhilong Chen; Hua Tian; Zhaowen Mo (Food Research International, 2026)