Simultaneous measurement of ammonium, nitrate and proton fluxes along the length of eucalypt roots

@article{Garnett2001SimultaneousMO,
  title={Simultaneous measurement of ammonium, nitrate and proton fluxes along the length of eucalypt roots},
  author={Trevor Paul Garnett and Sergey Shabala and Philip Smethurst and I. A. Newman},
  journal={Plant and Soil},
  year={2001},
  volume={236},
  pages={55-62}
}
Knowledge of the preferred source of N for Eucalyptus nitens will lead to improved fertiliser management practices in plantations. Ion selective microelectrodes were used non-invasively to measure simultaneously net fluxes of NH4+, NO3− and H+ along the tap root of solution-cultured E. nitens. Measurements were conducted in solutions containing 100 μm NH4NO3. The pattern of fluxes was such that there was a large influx of NH4+, a smaller influx of NO3− and large H+ efflux. The ratio of these… CONTINUE READING

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