Register for our upcoming Soil Seminar by Gary Zimmer!
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Get Custom-Blended Fertilizers That Yield Healthier Crops

Let’s rebuild your soil fertility with proven methods that work.

Ready to Schedule a Visit?

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Eliminate Guesswork

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Improve Yield and Nutrition

the key to healthy soil in Ohio

Hand Down a Healthy Farm

Are you tired of...

  • Guessing what your soil needs? 
  • Wasting money on fertilizers that don’t help?
  • Struggling with low crop yields and poor animal health?

We can help alleviate those burdens by discovering the nutrients your soil needs to maximize crop quality, health, and yield.



We start with a soil test. Then, we recommend the proper fertilizer blend to enrich your fields. We can even spread it for you, making the entire process hassle-free.

Enhance Your Harvest Season After Season

Hand sifting fertile soil

Minimize Mistakes, Maximize Yield

No more guesswork. No more waste. Get the exact balance of nutrients, micro-nutrients, and minerals your fields need to thrive with a one-of-a-kind, custom-blended fertilizer based on your soil test.

Soil agronomist and farmer reviewing soil fertility

Experience a Consultative Approach

Receive personalized coaching every season from a trained agronomist who is an expert in soil management and crop production. They will help you meet your harvest goals while staying within your budget.

Fertile corn field in tassel in ohio made possible by Green Field Farms fertilizer

Enjoy Long-Term Growth

By balancing your soil year after year, you'll reap generational benefits. Healthier soil leads to more vibrant crops, and improved soil requires fewer fertilizers–ensuring a more sustainable future for your farm.

The Soil Sample & Amendment Process

1

Schedule an On-Farm Visit

Call 330-263-0246 to schedule soil testing.

2

Meet us In your Fields

We do a soil test and quote a custom fertilizer blend to balance your soil with the nutrients and minerals it needs to prosper.

3

Order your fertilizer

…and reap the rewards. Consult with our experts to select blends that align with your goals and budget. We deliver, spread on request, and offer seasonal check-ins with our agronomists to maximize crop yield.

into our soil amendment process

Over 1,000 Farmers
and Counting

 For over 15 years, our soil testing and custom blending program has helped over 1,000 farmers overcome their soil challenges. Our agronomists have trained under leading soil scientist Neal Kinsey, who refined the Albrecht Soil Balancing Method developed by Dr. William Albrecht. 

From soil tests to custom recommendations and fertilizer blends, Green Field Farms® is your committed partner on the journey to optimal soil health. 

"Our organic sunflower yields were 2,500 lbs. per acre compared to 1,800-2,000 lbs. The bone meal worked great! Definitely will use it again next year."
Scott Myers
Woodlyn Acres Farm, Dalton Oh

Healthy Soil
Healty Crops

Farming profitably today isn’t easy. That’s why we believe it’s essential to optimize where it all starts–the soil.

At Green Field Farms®, you’ll consult with our skilled agronomists, who will use your goals to guide our recommendations. With a few easy steps, we test your soil and recommend and blend a custom natural fertilizer mix. Seasonal follow-ups will keep you on track year after year. 

Watch your plants and profitability grow richer and stronger as your soil health increases.

Annual Event at Green Field Farms®

Building Soil Biology

by Gary Zimmer : 10/29/25

As part of our ongoing commitment to providing education and resources for sustainable farming, we are bringing one of the industry’s leaders in soil biology, Gary Zimmer from Midwestern BioAg to our community. Gary has authored numerous books on soil biology and brings decades of experience in balancing soil and building biologicals in farms throughout the Midwest.

This one-day workshop is designed to teach farmers and growers the basics of balancing soil and building up nutrients to produce healthy, resilient soil systems capable of supporting healthy, high-yielding crops.

Topics that will be covered:

  • Addressing limiting factors in minerals.
  • Excesses of lime and manure.
  • Good soil fertility for grazers.
  • Using cover crops in row-crop rotation.


This is a workshop designed for farmers, and anyone with an interest in soil biology. The curriculum will be provided in a printed format and will be your resource to take along home.

to create the ideal feed for a dairy cow from the soil up. Gary is known as the Father of Biological Farming with emphasis on healthy mineralized soils for all possible crops. He’s the cofounder of Midwestern Bio Ag and with his family-owned Otter Creek Organic farm—a 1200 acre crop farm in SW Wisconsin with an emphasis on building healthy mineralized soils. He has authored three books on biological farming, along with many articles, and has traveled all over the world teaching and consulting.

Download Product Catalog

Catalog Sign Up Form

Register for "Building Soil Biology " Seminar

Event Signup

Amount Due: $275 per Person
Drinks & Lunch included.

Please mail form with a check payable to Green Field Farms®, 6464 Fredericksburg Road, Wooster, Ohio 44691.

To pay with credit card, please call Green Field Farms™ at 330.263.0246. A 3% credit card processing fee will apply.
If registering for more than one person, submit a new registration form so we have all the info for name tags.