https://boris-portal.unibe.ch/entities/publication/3a348026-a517-4e27-8774-e411397edb39
Nitrate uptake by intact, non-nodulated bean plants: effect of ammonium and of light
Dual-phase kinetics were found for nitrate uptake at pH 5.5 by intact, non-nodulated bean plants. Apparent Km values for phase I (higher affinity for nitrate)...