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Effect of simulated tillage on microbial autotrophic CO2 fixation in paddy and upland soils
Tillage is a common agricultural practice affecting soil structure and biogeochemistry. To evaluate how tillage affects soil microbial CO2 fixation, we incubated and continuously labelled samplesExpand
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Tracking the photosynthesized carbon input into soil organic carbon pools in a rice soil fertilized with nitrogen
AimsReplenishment of soils with carbon (C) produced during photosynthesis plays an important role in global C cycling. Nitrogen (N) fertilization is critical for rice production, but its effects onExpand
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Cropping systems modulate the rate and magnitude of soil microbial autotrophic CO2 fixation in soil
The effect of different cropping systems on CO2 fixation by soil microorganisms was studied by comparing soils from three exemplary cropping systems after 10 years of agricultural practice. StudiedExpand
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Nitrogen fertilization increases rice rhizodeposition and its stabilization in soil aggregates and the humus fraction`
Background and aimsRhizodeposited-carbon (C) plays an important role in regulating soil C concentrations and turnover, however, the distribution of rhizodeposited-C into different soil organic carbonExpand
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Rice rhizodeposition and its utilization by microbial groups depends on N fertilization
Rhizodeposits have received considerable attention, as they play an important role in the regulation of soil carbon (C) sequestration and global C cycling and represent an important C and energyExpand
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Effect of P stoichiometry on the abundance of nitrogen-cycle genes in phosphorus-limited paddy soil
AbstractPrevious studies have shown that phosphorus addition to P-limited soils increases gaseous N loss. A possible explanation for this phenomenon is element stoichiometry (specifically of C:N:P)Expand
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Microbial utilization of rice root exudates: 13C labeling and PLFA composition
The soluble components of rhizodeposition—root exudates—are the most important sources of readily available carbon (C) for rhizosphere microorganisms. The first steps of exudate utilization byExpand
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Rice rhizodeposits affect organic matter priming in paddy soil: The role of N fertilization and plant growth for enzyme activities, CO 2 and CH 4 emissions
Abstract Carbon dioxide (CO2) and methane (CH4) production in paddy soils play a crucial role in the global carbon (C) cycle and greenhouse gas emissions. A rhizosphere priming effect (RPE) mayExpand
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Rice rhizodeposition and carbon stabilisation in paddy soil are regulated via drying-rewetting cycles and nitrogen fertilisation
This study aimed to better understand the stabilisation of rice rhizodeposition in paddy soil under the interactive effects of different N fertilisation and water regimes. We continuously labelledExpand
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Carbon and nitrogen recycling from microbial necromass to cope with C:N stoichiometric imbalance by priming
Abstract The impact of increasing amounts of labile C input on priming effects (PE) on soil organic matter (SOM) mineralization remains unclear, particularly under anoxic conditions and under high CExpand
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