Articles | Volume 17, issue 4
https://doi.org/10.5194/bg-17-1181-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/bg-17-1181-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
28 Feb 2020
Research article |
| 28 Feb 2020
| 28 Feb 2020
Maize root and shoot litter quality controls short-term CO2 and N2O emissions and bacterial community structure of arable soil
Pauline Sophie Rummel
CORRESPONDING AUTHOR
Division of Plant Nutrition and Crop Physiology, Department of Crop
Science, University of Göttingen, Göttingen, Germany
Birgit Pfeiffer
Division of Plant Nutrition and Crop Physiology, Department of Crop
Science, University of Göttingen, Göttingen, Germany
Institute of Microbiology and Genetics, Department of Genomic and Applied
Microbiology, University of Göttingen, Göttingen, Germany
Johanna Pausch
Agroecology, Faculty for Biology, Chemistry, and Earth Sciences,
University of Bayreuth, Bayreuth, Germany
Reinhard Well
Thünen Institute, Climate-Smart Agriculture, Braunschweig, Germany
Dominik Schneider
Institute of Microbiology and Genetics, Department of Genomic and Applied
Microbiology, University of Göttingen, Göttingen, Germany
Klaus Dittert
Division of Plant Nutrition and Crop Physiology, Department of Crop
Science, University of Göttingen, Göttingen, Germany
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Short summary
Chemical composition of plant litter controls C availability for biological N transformation processes in soil. In this study, we showed that easily degradable maize shoots stimulated microbial respiration and mineralization leading to high N2O formation in litter-associated hot spots. A higher share of slowly degradable C compounds and lower concentrations of water-soluble N restricted N2O emissions from maize roots. Bacterial community structure reflected degradability of maize litter.
Chemical composition of plant litter controls C availability for biological N transformation...
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