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Emissions Reduction

There are limited options for reducing direct agricultural emissions, these are discussed below.

Methane

There are no off the shelf methods, additives etc to reduce methane from ruminant animals. It has been said that the only silver bullet for methane emission reductions is the silver bullet!

Increasing investment in scientific research may lead to validated methane reduction methods.

Nitrous Oxide

Nitrification inhibitors are available to reduce nitrous oxide emissions. These are chemicals which are applied on to pasture with fertiliser. These work in two ways:

Nitrification inhibitors are currently available from Ballance and Ravensdown.

Ballance also offer alternative solutions on their website to further reduce the impact of nitrogen on the environment. These include:

There are a range of options to reduce the relatively small amount of carbon dioxide emissions which occur at the farm level. These include:

Offsets

Forestry under the ETS

By establishing a forest under the rules of the ETS, landowners will be able to reduce greenhouse gasses and generate carbon credits (NZUs). These units could be used to directly offset farm emissions (depending on the point of obligation), or sold to offset the additional cost of emissions from farm activities.

For more information on ETS forestry options, please click here.

Pasture and soil improvement

Outside the current rules of the ETS, scientists are investigating farm management techniques which will permanently increase the carbon content in the soil. If these are adopted it will enable grassland farmers in NZ to build up the level and depth of carbon in the soil and become "carbon positive".