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Improving greenhouse gas emissions intensities of subtropical and tropical beef farming systems using Leucaena leucocephala

Author

Listed:
  • Harrison, Matthew T.
  • McSweeney, Chris
  • Tomkins, Nigel W.
  • Eckard, Richard J.

Abstract

Leucaena leucocephala (leucaena) is a perennial legume shrub of subtropical regions that has forage characteristics favourable for livestock production, often delivering ruminant liveweight gains that are superior to most other forage systems. Recent work suggests that leucaena mitigates ruminant enteric methane emissions, implying that the shrub may also reduce greenhouse gas (GHG) emissions at the whole farm level. However, the high crude protein content of leucaena relative to endemic grasses can increase livestock urine nitrogen concentration and may increase soil nitrous oxide emissions, potentially offsetting benefits of enteric methane mitigation.

Suggested Citation

  • Harrison, Matthew T. & McSweeney, Chris & Tomkins, Nigel W. & Eckard, Richard J., 2015. "Improving greenhouse gas emissions intensities of subtropical and tropical beef farming systems using Leucaena leucocephala," Agricultural Systems, Elsevier, vol. 136(C), pages 138-146.
    • Handle: RePEc:eee:agisys:v:136:y:2015:i:c:p:138-146
    DOI: 10.1016/j.agsy.2015.03.003
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    References listed on IDEAS

    as
    1. Alcock, Douglas J. & Harrison, Matthew T. & Rawnsley, Richard P. & Eckard, Richard J., 2015. "Can animal genetics and flock management be used to reduce greenhouse gas emissions but also maintain productivity of wool-producing enterprises?," Agricultural Systems, Elsevier, vol. 132(C), pages 25-34.
    2. Harrison, Matthew T. & Jackson, Tom & Cullen, Brendan R. & Rawnsley, Richard P. & Ho, Christie & Cummins, Leo & Eckard, Richard J., 2014. "Increasing ewe genetic fecundity improves whole-farm production and reduces greenhouse gas emissions intensities," Agricultural Systems, Elsevier, vol. 131(C), pages 23-33.
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    Cited by:

    1. Mayberry, Dianne & Bartlett, Harriet & Moss, Jonathan & Davison, Thomas & Herrero, Mario, 2019. "Pathways to carbon-neutrality for the Australian red meat sector," Agricultural Systems, Elsevier, vol. 175(C), pages 13-21.
    2. Adriana Rivera-Huerta & María Salud Rubio Lozano & Juan C. Ku-Vera & Leonor Patricia Güereca, 2022. "Emission factors from enteric fermentation of different categories of cattle in the Mexican tropics: a comparison between 2006 and 2019 IPCC," Climatic Change, Springer, vol. 172(3), pages 1-17, June.

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    More about this item

    Keywords

    Beef cattle; Carbon credits; C4 grass; Grazing; Ranch; Steers;
    All these keywords.

    JEL classification:

    • C4 - Mathematical and Quantitative Methods - - Econometric and Statistical Methods: Special Topics

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