Journal Article10.1111/J.1461-0248.2004.00579.X
Carbon input to soil may decrease soil carbon content
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TL;DR: In this article, a negative relationship between primary production and soil carbon (C) content is found, and the authors conclude that energy available to soil microbes and microbial competition are important determinants of soil C decomposition.
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Abstract: It is commonly predicted that the intensity of primary production and soil carbon (C) content are positively linked. Paradoxically, many long-term field observations show that although plant litter is incorporated to soil in large quantities, soil C content does not necessarily increase. These results suggest that a negative relationship between C input and soil C conservation exists. Here, we demonstrate in controlled conditions that the supply of fresh C may accelerate the decomposition of soil C and induce a negative C balance. We show that soil C losses increase when soil microbes are nutrient limited. Results highlight the need for a better understanding of microbial mechanisms involved in the complex relationship between C input and soil C sequestration. We conclude that energy available to soil microbes and microbial competition are important determinants of soil C decomposition.
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Citations
Altered Organic Matter Chemical Functional Groups and Bacterial Community Composition Promote Crop Yield under Integrated Soil–Crop Management System
TL;DR: In this article , the changes in organic carbon content, its chemical functional groups, and bacterial communities, as well as their association with crop yield under different farmland management were investigated, and the results indicated that crop yield advantages were linked to the high C quality and shifts in bacterial composition toward r-strategists by mediating nutrient cycling and soil fertility.
Soil Carbon Characterization 10 to 15 Years After Organic Residual Application: Carbon (1s) K-Edge Near-Edge X-Ray Absorption Fine-Structure Spectroscopy Study
TL;DR: In this article, the long-term stability of organic residuals (e.g., biosolids and composts) was investigated in two field sites to characterize soil carbon status 10 to 15 years after amendment with bi
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Litter-Carbon Dynamics: The Importance of Decomposition, Accretion, and Sequestration in Understanding Ecosystem Carbon Cycling
Amy Erin Kochsiek
- 01 Jan 2010
TL;DR: In this article, the authors examined carbon loss of one annual cohort of maize litter using in situ nylon litterbags for three years in three no-till fields with differing management regimes.
•Dissertation
Cycling and transport of phosphorus and nitrogen from harvested peatland forests and possible mitigation and methods
Zaki-Ul-Zaman Asam
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TL;DR: In this paper, the authors investigated the role of harvest residue needles on peatlands drained for forestry implications for nutrient and heavy metal dynamics in peat forests and found that residues of harvested peat trees can contribute to N and P export to water bodies.
Interactions of mustard plants and soil microorganisms after application of sugarcane filter cake and pea residues to an Andosol
Khalid Saifullah Khan,Khalid Saifullah Khan,Xiomara Castillo,Florian Wichern,Florian Wichern,Jens Dyckmans,Rainer Georg Joergensen +6 more
TL;DR: In this article, the effects of sugarcane-filter cake application on the growth of white mustard (Sinapis alba L.) were compared with those of 13C-labeled pea residues.
7
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