Tumbleton Soil Carbon Project

Tumbleton Soil Carbon Project is a soil carbon project located at 'Tumbleton' farm in Wombat, approximately 15km south of Young in the South West Slopes region of New South Wales. It was registered in April 2024 and initially covered 1,144.12 hectares, though a project area variation in August 2025 removed some of the listed areas.

Soil carbon projects under the 2021 Measurement and Models methodology involve implementing new, eligible agricultural management practices to increase the storage of organic carbon in agricultural soils. These projects require baseline soil sampling prior to or shortly after implementing new activities, and use a combination of ongoing physical core sampling and mathematical modelling to estimate the carbon sequestered over the project's lifetime.

The Wombat and Young region is a prominent agricultural area traditionally used for mixed farming, encompassing both livestock grazing and cropping. The environment experiences moderate rainfall (averaging 600-700mm annually) and features primarily deep red soils (kandosols), sandy loams, and some grey clays.

The project activities at Tumbleton focus on altering the stocking rate, duration, and intensity of grazing to promote soil vegetation cover and improve overall soil health. Additionally, the project aims to increase soil carbon by applying synthetic or non-synthetic nutrients to address material soil deficiencies. The property is managed by the Chandler and Wilkinson families in partnership with Carbon Link Operations Pty Ltd. Operating as a low-input, mixed-enterprise farm, the proponents have heavily focused on regenerative agriculture, integrating sheep and cattle co-grazing with mixed-species cropping, and actively replacing artificial chemicals with biological, microbe-friendly alternatives.