Maize root and shoot litter quality controls short-term CO.sub.2 and N.sub.2O emissions and bacterial community structure of arable soil

Chemical composition of root and shoot litter controls decomposition and, subsequently, C availability for biological nitrogen transformation processes in soils. While aboveground plant residues have been proven to increase N.sub.2 O emissions, studies on root litter effects are scarce. This study a...

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Bibliographic Details
Published in:Biogeosciences 2020-02, Vol.17 (4), p.1181
Main Authors: Rummel, Pauline Sophie, Pfeiffer, Birgit, Pausch, Johanna, Well, Reinhard, Schneider, Dominik, Dittert, Klaus
Format: Article
Language:English
Subjects:
Bacteria
Comparative analysis
Corn
Denitrification
Fertilizers
Genes
Plants (Organisms)
Quality control
Quality management
RNA
Soil microbiology
Soil structure
Soils
Structure (Literature)
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Summary:Chemical composition of root and shoot litter controls decomposition and, subsequently, C availability for biological nitrogen transformation processes in soils. While aboveground plant residues have been proven to increase N.sub.2 O emissions, studies on root litter effects are scarce. This study aimed (1) to evaluate how fresh maize root litter affects N.sub.2 O emissions compared to fresh maize shoot litter, (2) to assess whether N.sub.2 O emissions are related to the interaction of C and N mineralization from soil and litter, and (3) to analyze changes in soil microbial community structures related to litter input and N.sub.2 O emissions.
ISSN:1726-4170
1726-4189