Journal article
Differences in soil organic carbon and soil erosion for native pasture and minimum till agricultural management systems
The Science of the Total Environment, Vol.666, pp.618-630
20/05/2019
PMID: 30807952
Metrics
Abstract
There is considerable debate over how different agricultural management systems such as minimum tillage and grazing affect soil organic carbon (SOC), soil nitrogen (SN) concentrations and soil erosion over the long-term. In this study SOC, SN and erosion characteristics were compared over a ten year period for two neighbouring sites with longstanding but different land management strategies; one cropped under a minimum tillage (MT) regime and one used for grazing on largely native pasture. Both sites (Hunter Valley, New South Wales, Australia) shared the same soil type (Euchrozem) and climate. SOC and SN were both found to be ~50% higher at the grazing site while erosion was found to be significantly greater (an order of magnitude) at the cropping site despite the application of MT practices. No discernible link between erosion and either SOC, SN or C:N was evident. While both sites have temporally constant SOC, SN and C:N, the MT site offers scope for increased SOC sequestration.
Details
- Title
- Differences in soil organic carbon and soil erosion for native pasture and minimum till agricultural management systems
- Creators
- T Wells - University of Newcastle AustraliaG.R Hancock - University of Newcastle AustraliaC Martinez - School of Agriculture and Food Sciences, The University of Queensland, AustraliaC Dever - University of Newcastle AustraliaV Kunkel - University of Newcastle AustraliaA Gibson - University of Newcastle Australia
- Publication Details
- The Science of the Total Environment, Vol.666, pp.618-630
- Publisher
- Elsevier B.V
- Identifiers
- 991012995594802368
- Academic Unit
- Faculty of Science and Engineering
- Language
- English
- Resource Type
- Journal article