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Temporal variation of the total nitrogen concentration in aerial organs of nitrogen fixing and nonfixing riparian species


, : Temporal variation of the total nitrogen concentration in aerial organs of nitrogen fixing and nonfixing riparian species. ORSIS (Organismes i Sistemes) 7(0): 125-130

Changes in nitrogen concentration was determined in samples of Alnus glutinosa, Elaeagnus angustifolia, Populus x canadiensis and Ailanthus altissima leaves, petioles and branches periodically during a year. Maximum nitrogen percentage was found in diazotrophic species (Alnus and Elaeagnus) and the nitrogen retranslocation form branches was higher (2.5 times) in no fixing species.

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