N2O Emission from Degraded Soybean Nodules Depends on Denitrification by Bradyrhizobium japonicum and Other Microbes in the Rhizosphere

@inproceedings{Inaba2012N2OEF,
  title={N2O Emission from Degraded Soybean Nodules Depends on Denitrification by Bradyrhizobium japonicum and Other Microbes in the Rhizosphere},
  author={Shoko Inaba and Fumio Ikenishi and Manabu Itakura and Masakazu Kikuchi and Shima Eda and Naohiko Chiba and Chie Katsuyama and Yuichi Suwa and Hisayuki Mitsui and Kiwamu Minamisawa},
  booktitle={Microbes and environments},
  year={2012}
}
A model system developed to produce N(2)O emissions from degrading soybean nodules in the laboratory was used to clarify the mechanism of N(2)O emission from soybean fields. Soybean plants inoculated with nosZ-defective strains of Bradyrhizobium japonicum USDA110 (ΔnosZ, lacking N(2)O reductase) were grown in aseptic jars. After 30 days, shoot decapitation (D, to promote nodule degradation), soil addition (S, to supply soil microbes), or both (DS) were applied. N(2)O was emitted only with DS… CONTINUE READING
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