Soil Sisters WI Rooted in Science. Growing a Better Wisconsin.

Soil Sisters WI

Rooted in Science. Growing a Better Wisconsin.

Latest Articles

Good Intentions, Dirty Water: The Surprising Link Between Soil-Building Practices and Nitrate Pollution in Wisconsin
Soil Science

Good Intentions, Dirty Water: The Surprising Link Between Soil-Building Practices and Nitrate Pollution in Wisconsin

Cover crops, manure, and organic matter additions are supposed to be the good guys — but poorly timed, they can quietly push nitrates straight into Wisconsin's drinking water. Here's the soil science behind why your best efforts might be backfiring, and what you can do to protect both your fields and your neighbors' wells.
Stop Chasing Numbers: The Real Reason Your Soil pH Won't Stay Put — and What to Do About It
Soil Science

Stop Chasing Numbers: The Real Reason Your Soil pH Won't Stay Put — and What to Do About It

Your soil test comes back at 6.8, you celebrate, and then six months later it's tanked to 5.9. Sound familiar? pH swings aren't random bad luck — they're a symptom of deeper chemistry happening beneath your boots, and understanding why it happens is the first step to finally breaking the cycle.
Your Soil Is Breathing — But Are You Listening? What Respiration Tests Reveal That Your Standard Soil Report Never Will
Soil Science

Your Soil Is Breathing — But Are You Listening? What Respiration Tests Reveal That Your Standard Soil Report Never Will

Standard soil tests tell you what's in your soil — but soil respiration tests tell you what's actually happening down there. For Wisconsin farmers ready to move beyond chemistry and into biology, measuring how your soil breathes might be the most revealing audit you've never done.
Don't Let Mud Season Make Your Worst Decisions for You: A Science-Backed Guide to Spring Soil Management in Wisconsin
Soil Science

Don't Let Mud Season Make Your Worst Decisions for You: A Science-Backed Guide to Spring Soil Management in Wisconsin

Wisconsin's spring thaw is one of the most deceptive times of year — fields that look ready often aren't, and the choices you make in those narrow windows can echo through your harvest for years. Understanding the science behind freeze-thaw cycles, soil saturation, and nutrient dynamics could be the difference between a season that builds your land and one that quietly breaks it.
Inch by Inch, Gone for Good: The Quiet Topsoil Crisis Reshaping Wisconsin Farmland
Soil Science

Inch by Inch, Gone for Good: The Quiet Topsoil Crisis Reshaping Wisconsin Farmland

Wisconsin is losing topsoil at rates that should alarm every farmer, conservationist, and anyone who eats food grown in this state. A single heavy rain event can undo decades of careful soil-building—and most of us aren't watching it happen until it's too late. Here's what the data actually shows, which practices genuinely help, and why this conversation can't wait another season.
Lime Isn't Always the Answer: How Chasing the Perfect pH Could Be Costing You More Than You Think
Soil Science

Lime Isn't Always the Answer: How Chasing the Perfect pH Could Be Costing You More Than You Think

Wisconsin farmers have been told for decades that lime is the cure-all for struggling crops, but the reality is a lot more complicated. Over-liming can lock out the very nutrients your plants need, and the one-size-fits-all pH targets on your soil test report may not even apply to your specific fields. Here's how to stop blindly chasing numbers and start making smarter liming decisions rooted in actual science.
What Your Soil Carbon Numbers Are Actually Telling You — And Why the Testing Method You Choose Could Make or Break Your Bottom Line
Regenerative Agriculture

What Your Soil Carbon Numbers Are Actually Telling You — And Why the Testing Method You Choose Could Make or Break Your Bottom Line

Soil carbon testing isn't a one-size-fits-all situation, and choosing the wrong method could leave serious money on the table — or worse, disqualify you from carbon markets entirely. Before you submit another sample or sign another contract, here's what Wisconsin farmers need to understand about how carbon gets measured, verified, and valued. The stakes are higher than most people realize.
Crushed From Below: How Soil Compaction Quietly Steals Your Yields — and the Real Fixes That Go Beyond Compost
Soil Science

Crushed From Below: How Soil Compaction Quietly Steals Your Yields — and the Real Fixes That Go Beyond Compost

Soil compaction is one of those problems that sneaks up on you — a little worse every season, invisible until your yields start telling a different story. Wisconsin farms are losing productivity to hardening soils, and the standard advice barely scratches the surface. Here's what the science actually says about reversing the damage.
Wet Fields, Hard Choices: Rethinking Tile Drainage Before You Dig Another Trench
Regenerative Agriculture

Wet Fields, Hard Choices: Rethinking Tile Drainage Before You Dig Another Trench

Tile drainage transformed Wisconsin farming in the 20th century, turning waterlogged fields into productive cropland. But new research is raising uncomfortable questions about whether all that underground infrastructure is actually working against us now — and what farmers can do about it.
Before You Sign That Carbon Contract: What Wisconsin Farmers Must Know About How Credits Are Measured and Monetized
Regenerative Agriculture

Before You Sign That Carbon Contract: What Wisconsin Farmers Must Know About How Credits Are Measured and Monetized

Carbon markets are dangling real money in front of farmers, and that's genuinely exciting — but the fine print can make or break whether you actually benefit. Understanding how soil carbon is measured, who verifies it, and how different protocols affect your payout isn't just accounting homework; it's the difference between a smart business decision and a long-term headache.
No Two Farms Are Alike Underground: The Truth About Soil Microbiomes and Why Cookie-Cutter Advice Keeps Failing You
Soil Science

No Two Farms Are Alike Underground: The Truth About Soil Microbiomes and Why Cookie-Cutter Advice Keeps Failing You

That cover crop mix your neighbor swears by? It might be doing absolutely nothing on your fields — and the reason lives a few inches underground. Wisconsin's soil biology is wildly diverse from one farm to the next, and understanding your own microbial ecosystem is the first step toward management strategies that actually stick.
You're Buying Phosphorus Your Plants Can't Even Use — Here's Why That Needs to Stop
Soil Science

You're Buying Phosphorus Your Plants Can't Even Use — Here's Why That Needs to Stop

Wisconsin farmers spend millions every year on phosphorus fertilizer, but a significant chunk of it never reaches a single plant root. Understanding why phosphorus gets locked up in your soil — and how to break that cycle — could be one of the most important financial decisions you make this season.
Soil Science

Bleeding Money Underground: The Hidden Nitrogen Crisis Draining Wisconsin Farm Budgets

Wisconsin farmers are spending big on nitrogen fertilizer — and losing a shocking portion of it before crops ever take a sip. Between leaching, denitrification, and poor timing, the invisible drain on farm soils is costing growers thousands of dollars a season. Here's what the science says, and what you can actually do about it.
Separating Soil Truth from Soil Hype: A Wisconsin Farmer's Guide to What Actually Works
Regenerative Agriculture

Separating Soil Truth from Soil Hype: A Wisconsin Farmer's Guide to What Actually Works

Regenerative agriculture has become one of the most buzzed-about movements in farming — and with that buzz comes a whole lot of noise. Not every claim holds up when you put it next to actual Wisconsin soil data. We dug into the peer-reviewed research and talked to farmers in the field to find out which practices genuinely move the needle, and which ones are mostly marketing.
Regenerative Agriculture

From the Ground Up: Wisconsin Women Are Quietly Transforming How We Farm

Across Wisconsin's fields and farmsteads, a quiet revolution is taking root — and women are leading it. From cover cropping in the Driftless Area to no-till experiments in the Fox Valley, female farmers are building networks, sharing knowledge, and proving that regenerative agriculture isn't just a trend. It's a movement with deep roots.
Is Your Soil Crying for Help? Here's How to Read the Warning Signs Before It's Too Late
Soil Science

Is Your Soil Crying for Help? Here's How to Read the Warning Signs Before It's Too Late

Soil doesn't send text messages, but it absolutely communicates — through poor drainage, struggling crops, and a whole list of physical clues hiding in plain sight. This practical field guide walks Wisconsin farmers through the most common signs of soil stress, what's actually causing them, and what you can do about it before things get worse.
Farming the Future: How Storing Carbon in Your Soil Could Become Wisconsin's Next Cash Crop
Regenerative Agriculture

Farming the Future: How Storing Carbon in Your Soil Could Become Wisconsin's Next Cash Crop

Carbon markets and federal conservation programs are quietly creating a new revenue stream for Wisconsin farmers willing to rethink how they manage their land. Building soil organic matter isn't just good for your fields — increasingly, it's becoming good for your bottom line. Here's a plain-language breakdown of how sequestration programs work, what Wisconsin operations are eligible for, and why now might be the right time to get in.
What's Living Under Your Fields? Meet the Fungal Web That Could Change Your Farm Forever
Soil Science

What's Living Under Your Fields? Meet the Fungal Web That Could Change Your Farm Forever

Beneath every Wisconsin cornfield, pasture, and woodlot lies a living communication network built by fungi — one that's been quietly sustaining plant life for 450 million years. Forward-thinking Badger State farmers are learning to work with this underground web instead of against it, and the results are turning heads across the agricultural community. Here's what the science says, and what you can do about it starting this season.