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Keywords: Nujiang River
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Journal of Environmental Engineering and Science (2025) 20 (4): 262–277.
Published: 13 June 2025
... with the undammed Nujiang River. Using the recommended Ruttenberg sequential extraction process, we determined five nitrogen fractions: free nitrogen (F-N), exchangeable nitrogen (Ex-N), carbonate-associated nitrogen (CO3-N), ironmanganese oxides-bound nitrogen (IM-N), and organic nitrogen (Org-N...
