The Leucaena Network

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Improving Greenhouse Gas Emissions Intensities of Subtropical and Tropical Beef Farming Systems Using Leucaena Leucocephala

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. Read more ...

 

 

 

 

Offsets required to reduce the carbon balance of sheep and beef farms through carbon sequestration in trees and soils

The sustainability of farming is important to ensure that natural resources remain available into the future. Ruminant livestock production generates more greenhouse gas emissions than other types of agricultural production and most livestock mitigation options to date have a modest greenhouse gas reduction potential (<20%). Trees and soils, by comparison, can sequester large amounts of carbon depending on the availability of land.  Read more ...

 

 

 

 

Impacts of Leucaena plantations on greenhouse gas emissions in northern Australian cattle production systems - Final Report

The project was conducted with steers grazing established Leucaena or grass pastures to determine the impact on herd scale methane emissions, productivity and rumen function.

Relative emissions from cattle with access to Leucaena appeared lower, particularly in the months following the wet season, compared with those grazing grass dominated pastures.

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Reducing methane in cattle through grazing on the legume shrub Leucaena leucocephala: ERF Methodology Scope

This method will establish the eligibility requirements and an emissions quantification protocol for projects that involve cattle grazing on Leucaena shrubs in order to reduce enteric methane emissions. This potential method complements the Herd Management ERF method that captures emissions reductions achieved through the faster weight gain and earlier turnoff achieved by cattle provided supplementary feed (including improved pastures and Leucaena). Read more ...

 

 

 

 

The concordance between greenhouse gas emissions, livestock production and profitability of extensive beef farming systems

Here we examine the concordance among emissions, production and gross margins of extensive beef farming systems by modelling a range of scenarios for herd management, animal genotype and pasture nutritive quality. We based our simulations on a case-study farm in central Queensland, Australia, and studied the influence of interventions designed for emissions mitigation, increasing productivity, or increasing gross margin.  Read more ...

 

 

research: greenhouse gas emissions