Agriculture is often seen as a significant contributor to global emissions, but it also holds the key to their reduction. By tapping into the power of soil and vegetation, farmers and agribusinesses can drive meaningful change, not only within their supply chains but also for the planet. This article delves into how soils and vegetation can be harnessed to reduce emissions, particularly Scope 3 emissions, across agricultural supply chains.
? Soil and Vegetation: The Untapped Carbon Sinks
For companies aiming to reduce their Scope 3 emissions or to access high-quality carbon offsets, soil and vegetation provide invaluable solutions. These natural carbon sinks capture and store carbon dioxide through photosynthesis, removing greenhouse gases from the atmosphere. Under Australian legislation, both offer significant potential for emission reductions within agriculture, making them a viable option for businesses looking to make an impact.
A 500-hectare ranching/grazing operation can offset up to 60% of its emissions through soil and vegetation over the course of a 10-year project. This substantial offset comes with the added benefit of enhancing soil health, promoting biodiversity, and improving overall ecosystem resilience.
? The Pathway to Soil Carbon Sequestration
Achieving carbon sequestration in soils requires careful planning and adherence to industry standards. In Australia, samplers must measure carbon in compliance with Clean Energy Regulator standards for recognized carbon offset projects, while in the U.S., projects often follow voluntary protocols like the Climate Action Reserve (CAR) or Verra.
FarmLab’s platform provides additional support for businesses through advanced modeling tools, including remote sensing and Stock Change Detection Over Time (SCDOT), which reduce project risks. By leveraging these tools, businesses can ensure their projects are set up for success from the outset.
? Vegetation’s Role in Emissions Reduction
Vegetation is another critical element in reducing emissions. Under the CER methodology, vegetation growth rates are estimated using LOOC-C (an alternative to FullCAM), allowing farmers and businesses to determine annual carbon sequestration rates. The first five years of a project see the highest sequestration rates, making early action crucial.
By selecting the right species and managing for local climate conditions, farmers can significantly enhance their carbon capture capabilities. Regular audits throughout the project’s lifecycle ensure survivability and provide the necessary data for carbon credits.
? The Project Lifecycle
Whilst projects may vary depending on permanence periods, landholder requirements, their farming system and what they choose to adopt when it comes to sequestration methods, the usual lifecycle for a project is as follows:
- Year 0: Baseline soil sampling and land management changes are adopted on the farm.
- Years 1-2: Soil remeasurement and third-party audits are conducted to credit any improvements in carbon sequestration (both soil and vegetation).
- Year 3: Continuous monitoring of soil changes using FarmLab’s proprietary modeling tools. Issues are addressed, and vegetation carbon is credited.
- Year 4+: This process repeats until project completion, which may extend for 25 years for CER projects or a shorter time for other emissions reduction efforts.
? Why Invest in Carbon Sequestration?
Reducing emissions in agriculture is not just about avoiding them, it’s also about sequestering them and improving the resilience and productivity of agricultural systems. With climate volatility becoming the norm, carbon sequestration offers an opportunity for farmers and agribusinesses to secure their future, enhance soil health, and contribute to global sustainability efforts.
Want to learn more? Consider undertaking an Environmental Farm Assessment for a feasibility review, or check out our carbon project support to help businesses make the transition to a low-emissions future. Our ecosystem of growers, samplers, and consultants is ready to guide you through the process and help you achieve your emissions reduction goals.
Sources:
This blog post is based on insights from FarmLab’s “Guide to Emissions Reduction in Agriculture”​ from Linkedin.