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Microbiology

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A new and exciting step in rebuilding healthy soil is managing for soil microbial communities. The soil environment is like any other ecosystem — it consists of producers, consumers, and predators. Bacteria and fungi make up the producers, beneficial protozoa and nematodes are the consumers, and the top predators are arthropods and predatory nematodes. This production and consumption model contributes to nutrient cycling in the soil. Due to past agricultural practices, most soil consists solely of bacteria.

To introduce more beneficial organisms and balance fungi-bacteria ratios, some farmers are turning to biodiverse, aerobic composting methods to inoculate their crop fields and pastures. This is a developing piece of work, so please check out the information below and continue to check back for more resources as they emerge.

LSP Johnson-Su Research Video Reports

Videographer Kobi Dansingburg recently created two reports on the on-farm research LSP conducted in Minnesota and Wisconsin over a two-year period related to developing compost using the Johnson-Su Bioreactor System.

• Video: Long Version

• Video: Short Version

Soil Microbiology Fact Sheet

• Elaine Ingham & Soil Health: How to Weave a Web of Willing Workers

Presentation on Johnson-Su Bioreactor System

On Aug. 26. 2022, LSP hosted David Johnson and Hui-Chun Su Johnson on the Pangrac dairy farm near Lewiston, Minn. The Johnson’s gave a presentation on the Biologically Enhanced Agricultural Management System, otherwise known as BEAM. They also discussed the use of the Johnson-Su Bioreactor Composting system to build soil biology. Check out their presentation here.

Got a Question about Microbiology?

Want to get started taking a deep look at your soil’s biology? Give LSP a call at 507-523-3366.

Got an Idea?

If you have an idea you’d like to have featured in a video, blog, podcast, or field day, contact us.

Field Days & Workshops

See out web calendar for the latest LSP field days, workshops  & pasture walks

LSP Soil Health Podcast Series

Check out LSP’s ongoing Ear Dirt podcast series for conversations on cover cropping, no-till, managed rotational grazing, fungi, and just about anything else that builds soil health.

Soil Microbiology Videos

Check out LSP’s videos featuring farmers and other experts talking about the role microbiology and other regenerative practices can play in building healthy, profitable soil.

Related Posts

  • Ear to the Ground 292: Working the Microbes

    David Johnson and Hui-Chun Su Johnson’s approach to composting may help farming reach the ultimate regenerative ag pinnacle: self-sufficient soil.
    More Information
    • LSP’s Microbiology web page
    • Managing…

    Ear to the Ground 292: Working the Microbes
  • Ear to the Ground 271: Focusing on Fungi

    Maks Kopish is looking through a microscope and seeing a way for soil to be self-reliant.

    Ear to the Ground 271: Focusing on Fungi
  • Ear to the Ground 318: Great Expectations

    Farmer Mike Seifert is realizing that building a solid soil house is not enough — he also has to stock its pantry.

    More Information

    • LSP’s Soil…

    Ear to the Ground 318: Great Expectations

Soil Health Team

  • Alex Kaminski, 320-269-2105, e-mail
  • Robin Moore, 612-767-9480, e-mail
  • Shea-Lynn Ramthun, e-mail
  • Alex Romano, 612-767-9880, e-mail
  • Sarah Wescott, 612-767-9881, e-mail
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Upcoming Events

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August 2025

Thursday August 14

6:00 pm – 8:00 pm
LSA-COPAL Ice Cream Social/Reunión de Helados!
Thursday August 14
6:00 pm – 8:00 pm
LSA-COPAL Ice Cream Social/Reunión de Helados!
Sauk River Park, 206 5th Ave NE, Melrose, MN 56352, USA

Land Stewardship Action (the Land Stewardship Project’s partner organization) and COPAL (Communities Organizing Latine Power and Action) invite you to an ice cream social at Sauk River Park in Melrose on Thursday, August 14. There will be sweet treats and opportunities to connect with those in your community, many of whom you might not know yet. This is a time to come together over our shared vision for a better future rooted in community, diversity, fairness, health, and democracy.

If you’re able, please register ahead of time through the link below so we can get an idea of numbers. Feel free to pass the invite on to others in the community as well — the more the merrier!

You can register here. 
 
For more information, contact Land Stewardship Action’s Emily Minge at eminge@landstewardshipproject.org.

Friday August 15

9:00 am – 4:00 pm
Managed Grazing & Soil Health Field Day: Rush City
Friday August 15
9:00 am – 4:00 pm
Managed Grazing & Soil Health Field Day: Rush City
10815 555th St, Rush City, MN 55069, USA

Join the Minnesota Soil Health Coalition at Jon Steven’s Maple Grove Farm for a field day focused on managed grazing and other methods to build the health of soils. Connect with other farmers and learn from the leaders in Minnesota on soil health. Featured speakers: Tom Cotter, Brady Wulf, Myron Sylling, and Joe Ailts. Free lunch by Maxwell’s Southern BBQ. Details are here.

Saturday August 16

12:00 pm – 4:00 pm
Soil Health Master Class: Morris
Saturday August 16
12:00 pm – 4:00 pm
Soil Health Master Class: Morris
Old No 1 Bar & Grill, 412 Atlantic Ave, Morris, MN 56267, USA

Details are here.

Monday August 18

All Day
Soil Health Master Class: Worthington
Monday August 18
Soil Health Master Class: Worthington
At the Barn, 1815 East Ave, Worthington, MN 56187, USA

Details are here.

Tuesday August 19

10:00 am – 3:00 pm
Field Day: Organic Grain Soil Health, Testing & an Introduction to Agroforestry
Tuesday August 19
10:00 am – 3:00 pm
Field Day: Organic Grain Soil Health, Testing & an Introduction to Agroforestry
Spring Green, WI 53588, USA

During this University of Wisconsin Organic Grain Resource and Information Network field day, join Gary Zimmer, Patrick Michaels, and Sandy Syburg as they discuss cover cropping for nitrogen, testing to make informed soil health decisions, and the work of the Rye Revival organization. Attendees will tour the organic grain farm and get an introduction to the farm’s expanding agroforestry enterprise.
 
For more information and to register, click here. 

View Full Calendar

Recent Posts

  • Land Line: Farm Finance Crisis, Mental Health, Inflated Inputs, Crop-Livestock Synergy, Bread Bloat, Pesticides in Water, Soil Health & MAHA August 9, 2025
  • Farmers Gather in Madison to Discuss ‘Bringing Small Grains Back to Minnesota’ August 6, 2025
  • Land Line: USDA Changes, Climate-Smart Ag, Dead Zone, Nitrate Pollution, Feedlot Regs, Soil Bacteria, the Power of Diverse Farming July 28, 2025
  • Social Sustainability: Fostering Farmer-Focused Communities  July 24, 2025
  • A Healthy Hub of Activity July 21, 2025

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