Services

Most organic matter left at the soil surface decays and is returned to the atmosphere as CO2. Our approach seeks to maximize the transfer and preservation of organic matter in soil. Our process injects organic matter to a depth of 2 feet, where it is composted and converted to stable organic carbon.

Service we provide:

Rental of cutting-edge agricultural equipment for soil remediation
Injection of organic matter up to 2 feet in depth into soil
Technical assistance on matters of soil health and carbon sequestration

If you are interested in these services, contact us (steve@bisonunderground.com) for pricing and availability.

Progress from February to April 2024

This is a series of images from our Norman test site. Pellets were injected in August of 2023. The image series follows the growth of vegetation from February through the first week of April 2024. The blocks with alfalfa pellet injection green up with growth well before the surrounding field.

By March the squares with injection are well ahead of the surrounding control squares.

By the first week of April the vegetation is lush and showing no signs of slowing down.

Test Plot updates

Test plot update from April 28th, 2024.

Our new Carbon Injection Platform is mounted into the back of a Japanese mini-truck. The platform is in its final stages of construction and early stages of testing. We anticipate using this platform to service our first customers in late spring and early summer.

Carbon Injection Platform

Castlerock park soil restoration

Here at Castle Rock Park in Norman we have begun a soil restoration site in an area that has poor soil and won't grow any grass or vegetation. This manual method is perfect for areas our mini-truck can't fit, like flower beds or raised garden beds.

At this site the soil has high salinity and poor drainage. The recommended remedy is to increase organic matter and increase drainage. This is exactly what our method provides. The 2ft deep columns of alfalfa pellets provide a pathway for dissolved salts to pass out of the topsoil. The pellets as they break down provide organic matter and nutrients for plants and soil organisms.

rESIDENTIAL gARDENS

Improve your soil so you can grow healthy resilient plants. Below is progress from a project in Norman OK. The first image is from Summer 2022, the bottom image is from July 2024. The lawn has been replaced with a diverse selection of herbaceous plants, shrubs, and fruit trees including many native species. A layer of mulch was added in fall of 2022 and inoculated with microbes from local compost in 2023 and 2024. Drip irrigation was added in spring 2024. Deep compost injection will begin in fall 2024 to demonstrate our ability to work around established plants.

How it works

Carbon rich pellets made of compressed plant matter are injected deep into soils (currently 1-2ft depth). These pellets are broken down slowly over time by soil organisms and a large portion of the carbon is stored long-term. This process rapidly increases the amount of organic matter in soils, and places it below the surface where it is protected from surface erosion.

How it helps

By injecting pellets in deep vertical columns, compacted soil is punctured. These new conduits provide a pathway for water infiltration and root growth from the surface to deeper soil.

This technique will improve water infiltration during heavy rains, and thus water retention during drought. Plant roots will also have a pathway to deeper soil where water and nutrients may have been inaccessible due to compaction layers.

The injected pellets provide food and habitat to beneficial soil organisms that improve soil health and plant resiliency.

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