Brief description
Grain production is a net producer of greenhouse gases (GHG) via fertiliser, herbicide and farm machinery usage. In south-western Australia, previous research demonstrated that applying N fertiliser as urea contributed ca. 80% to total on-farm emissions by emitting carbon dioxide (CO2) via urea hydrolysis, and nitrous oxide (N2O) via soil biological activity. This project will determine if on-farm CO2 emissions from urea can be decreased by substituting urea with grain-legume fixed N; and if on-farm N2O emissions can be decreased by raising soil pH (via liming). Nitrous oxide emissions will be measured on a sub-daily basis from lupin-wheat rotations (limed and unlimed) using soil chambers connected to a fully automated system that enables simultaneous determination of greenhouse gases (N2O, CH4, CO2). Research findings will equip grain producers with strategies to manage on-farm GHG emissions.Data time period: 2009 to 2011
Subjects
Agricultural and Veterinary Sciences |
Agriculture, Land and Farm Management |
Auto Chambers |
Environmental Science and Management |
Environmental Sciences |
Grain legume |
Greenhouse gases |
Liming |
N2O |
Nitrous oxide |
Urea |
WA |
Wheat |
Wongan Hills |
User Contributed Tags
Login to tag this record with meaningful keywords to make it easier to discover
Identifiers
- Local : barton.52
