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Does biological nitrogen fixation modify soybean nitrogen dilution curves?
Santachiara, Gabriel; Salvagiotti, Fernando; Gerde, José Arnaldo; Rotundo, José Luis (2018)Biological nitrogen fixation (BNF) in soybean [Glycine max (L.) Merr.] represents, on average, 60% of total nitrogen (N) uptake. Nitrogen dilution curves link aboveground crop N concentration (%N) to biomass accumulation (W). ... -
Relative importance of biological nitrogen fixation and mineral uptake in high yielding soybean cultivars
Santachiara, Gabriel; Borrás, Lucas; Salvagiotti, Fernando; Gerde, José Arnaldo; Rotundo, José Luis (2017-09)Backgrounds and aims: Soybean yield depends on total N uptake, N use efficiency, and harvest index. Nitrogen uptake relays on biological fixation (BNF) and soil absorption. Usually, BNF is considered a yield-related process. ...