Microsensor analysis of oxygen and pH in the rice rhizosphere under field and laboratory conditions

@article{Revsbech1999MicrosensorAO,
  title={Microsensor analysis of oxygen and pH in the rice rhizosphere under field and laboratory conditions},
  author={Niels Peter Revsbech and Ole Pedersen and Wolfgang Reichardt and Alejandra Briones},
  journal={Biology and Fertility of Soils},
  year={1999},
  volume={29},
  pages={379-385}
}
 O2 and pH microsensors were used to analyse the microdistribution of O2 and pH inside and outside roots of lowland rice (Oryza sativa L.). The roots of 3-week-old transplants had O2 concentrations of about 20% air saturation at the surface, but due to a high rate of O2 consumption in the rhizosphere, the oxic region only extended about 0.4 mm into the surrounding soil. Also the fine lateral roots created an oxic zone extending about 0.15 mm into the soil. The O2 concentration within the roots… CONTINUE READING

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