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 inBiogeosciences Vol. 17; no. 4; pp. 1181 - 2361
Main Authors Rummel, Pauline Sophie, Pfeiffer, Birgit, Pausch, Johanna, Well, Reinhard, Schneider, Dominik, Dittert, Klaus
Format Journal Article
LanguageEnglish
Published Copernicus GmbH 28.02.2020
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