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Title: Short- and long-term impacts of plant-biochar-soil interactions on soil carbon cycling in a subtropical pasture
Contributor(s): Weng, Zhe Han (author); Van Zwieten, Lukas  (supervisor); Kimber, Stephen (supervisor); Singh, Bhupinder Pal (supervisor); Cowie, Annette  (supervisor)
Conferred Date: 2016
Copyright Date: 2016
Open Access: Yes
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Abstract: While biochar has been widely promoted for its potential to stabilise soil organic carbon (SOC), many laboratory and glasshouse studies (mainly short-term) have demonstrated that biochar can increase (positive priming) and/or lower (negative priming) mineralisation of SOC. There is a clear knowledge gap on both biochar carbon (C) longevity, its priming effects on SOC, and recent root-derived C, under field conditions. This knowledge would allow the potential contribution of biochar to long-term soil C sequestration to be understood. Understanding plant -biochar-soil interactions (Chapter 1) over the long term is crucial to accurately predict the C storage potential of biochar-amended soil, additional to its intrinsic C content.
Publication Type: Thesis Doctoral
Field of Research Codes: 070108 Sustainable Agricultural Development
050209 Natural Resource Management
050301 Carbon Sequestration Science
Socio-Economic Outcome Codes: 960302 Climate Change Mitigation Strategies
961402 Farmland, Arable Cropland and Permanent Cropland Soils
829802 Management of Greenhouse Gas Emissions from Plant Production
Rights Statement: Copyright 2016 - Zhe Han Weng
HERDC Category Description: T2 Thesis - Doctorate by Research
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Appears in Collections:School of Environmental and Rural Science
Thesis Doctoral

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