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 Potential Management Practices And Technologies To Reduce Nitrous Oxide, Methane And Carbon Dioxide Emissions From New Zealand Agriculture

Table of Contents

• Potential Management Practices And Technologies To Reduce Nitrous Oxide, Methane And Carbon Dioxide Emissions From New Zealand Agriculture
• 1 - Summary
• Context
• Goal
• Approach
• Outcomes
• Nitrous Oxide
• Ruminant Methane
• Carbon Dioxide
• Conclusion
• 2 - Introduction
• 3 - Approach
• 3.1 - Focus of the study
• 3.2 - Inventory calculations
• 3.3 - Cost benefit analysis
• 4 - Potential management practices and technologies for reducing nitrous oxide emission from agriculture
• Summary
• 4.1 - Introduction
  • 4.1.1 - Manipulating process rates
  • 4.1.2 - Ensuring N is emitted as N₂ rather than N₂O
• 4.2 - Overview of current operational options
• 4.3 - Mitigation options relevant to New Zealand pastoral systems
  • 4.3.1 - Reduced amount of N recycled by the grazing animal
  • 4.3.2 - Increased efficiency of N recycled by the grazing animal
  • 4.3.3 - Increased efficiency of N from synthetic fertiliser
  • 4.3.4 - Ensure N from denitrification is emitted as N₂ rather than N₂O
• 4.4 - Potential of mitigation options to reduce nitrous oxide emissions
• 4.5 - Effects of these options on other environmental parameters
• 4.6 - Cost/benefit analysis
• 4.7 - Conclusions
• 5 - Potential management practices and technologies for reducing methane emissions from agriculture
• Summary
• 5.1 - Introduction
• 5.2 - Currently available mitigation options
  • 5.2.1 - Reducing livestock numbers
  • 5.2.2 - Improving animal productivity
  • 5.2.3 - Ionophores
  • 5.2.4 - Probiotics
  • 5.2.4 - Improved forage quality
  • 5.2.5 - Manipulating nutrient composition
  • 5.2.6 - Animal breeding
• 5.3 - Future mitigation options
  • 5.3.1 - Alternative hydrogen sinks
  • 5.3.2 - Halogenated compounds
  • 5.3.3 - Defaunation
  • 5.3.4 - Immunisation
  • 5.3.5 - Acetogens
  • 5.3.6 - Genetic modification
• 5.4 - Potential of mitigation options to reduce methane emissions
• 5.5 - Effects on other environmental parameters
• 5.6 - Cost benefit analysis
• 5.7 - Conclusions
• 6 - Potential management practices and technologies for reducing carbon dioxide emissions from agriculture
• Summary
• 6.1 - Introduction
• 6.2 - Overview of currently operational options
• 6.3 - Mitigation options relevant to New Zealand pastoral systems
  • 6.3.1 - Bioenergy
  • 6.3.2 - Increased C sequestration by grazed pasture
  • 6.3.3 - Botanical composition
• 6.4 - Conclusion
• 7 - Acknowledgements
• 8 - References
• 6 - Appendix A Cost benefit analysis of using monensin to reduce methane emissions
• PDF Version

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