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DAKOTA Turf Program — Product 01 of 03 — The Foundation

MOST OF WHAT YOU'RE CALLING ORGANIC MATTER ISN'T.

The USGA's own published standard ranks peat types from best to worst. DAKOTA is the only commercial product that qualifies as #1.  It's been that way for 40 years - because the science hasn't changed, and neither has the peat. 

Title

10K+

YEARS OF NATURAL DECOMPOSITION

#1

USGA PEAT RANKING

(James B. Beard, Turf Management for Golf Courses, USGA 1982)

811

MICROBIAL SPECIES

Lab Verified 2024

40+

YEARS OF PROFESIONAL FIELD USE

THE DISTINCTION THAT CHANGES EVERYTHING

Organic Matter vs. Organic Debris — They Are Not the Same Thing.

Most turf managers use the terms interchangeably. That's the problem. The official ASTM standard — the definition used across the golf and sports turf industry — draws a hard line between the two. DAKOTA sits on one side of that line. Most of what's being sold as an organic amendment sits on the other.
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ASTM Designation: F2651-10 — Standard Terminology Relating to Soil and Turfgrass Characteristics of Natural Playing Surfaces

Organic matter is carbon-based residue in a well-decomposed, stable form — often referred to as humus or soil organic matter. Less decomposed forms are not technically soil organic matter. They are simply organic debris — part of the organic fraction, but not humus — until full decomposition occurs. Composts may not be broken down to a degree to technically qualify as soil organic matter.

True Organic Matter (Humus)

  • Fully decomposed — stable and ready to work immediately
  • Low C:N ratio — nitrogen is available to microbes and plant
  • Does not promote fungal disease — suppresses it
  • Builds and maintains soil structure rather than disrupting it
  • Improves water retention, drainage, and nutrient buffering
  • DAKOTA is true humus. Not compost. Not sphagnum. Not debris.

Organic Debris

  • Not well-decomposed — still breaking down in your rootzone
  • High C:N ratio — actively competes with turf for nitrogen
  • Prone to triggering fungal diseases including fairy ring
  • Disrupts soil structure as it decomposes in place
  • Creates layering, hydrophobicity, and drainage problems
  • Golf courses build organic debris naturally — adding more accelerates the problem

YOU DON'T HAVE AN ORGANIC MATTER PROBLEM.  YOU HAVE AN ORGANIC DEBRIS PROBLEM. DAKOTA SOLVES IT.

PROVENANCE

10,000 YEARS IN THE MAKING. NOT IN A LAB.

DAKOTA Peat comes from ancient peat beds formed when glacial Lake Agassiz receded across what is now the upper Midwest. Over 10,000 years, highly decomposed reeds and sedges were compressed and transformed into the richest organic material on the North American continent.

 

This isn't engineered. It isn't extracted from something else or chemically modified. The conditions that created DAKOTA — the specific plant species, the depth of decomposition, the neutral pH — took millennia to develop. No manufacturer can replicate that.

 

What DAKOTA's founders found wasn't a formula. It was a location. The best organic material on the continent was already there — DAKOTA's role was to harvest it responsibly and put it to work.

Title

Ancient reed-sedge peat — 10,000 years fully decomposed, zero further breakdown in your rootzone

USGA #1 ranked peat type — peat humus, the classification above sphagnum

pH neutral 6.0–7.0 — sphagnum acidifies at 3.2–4.0, DAKOTA doesn't change your soil chemistry

Blends homogeneously with sand — no segregation, no stratified layers, stays where you put it

2025 independent lab verified — OM 85.9%, C:N 15:1, stability "Very Stable," all EPA metals pass

100% natural — no wetting agents, no additives, no amendments, certified pest and nematode free

40+ years of professional field use — golf courses, stadiums, athletic fields, parks
Ancient Glacial Lake Agassiz - Source of DAKOTA Peat
GLACIAL LAKE AGASSIZ
~10,000 YEARS AGO

THE SCIENCE — PUBLISHED BY THE USGA

THE GOLD STANDARD RANKED EVERY PEAT TYPE. 
DAKOTA QUALIFIES AS #1.

"Decomposed peat is the organic material most commonly used in root-zone modification. A well decomposed, fractionated peat with minimal mineral content is preferred. A ranking of types of peat from excellent to poor would be: peat humus, reed-sedge peat, hypnum moss peat, sphagnum moss peat."

James B. Beard — Turf Management for Golf Courses
Published by the United States Golf Association, 1982 — Page 109
1
Peat Humus / Reed-Sedge Peat
DAKOTA Peat
2
Hypnum Moss Peat
Rarely used commercially
3
Sphagnum Moss Peat
Most commonly sold

Sphagnum is what most competitors sell. It's ranked last by the organization that sets the standards for golf course construction. DAKOTA is ranked first — and is the only material that actually qualifies as true peat humus.
The Science — Independently Verified

The Numbers Don't Negotiate.

Two metrics determine whether an organic amendment helps your rootzone or competes with it. Cation Exchange Capacity measures nutrient holding. C:N ratio determines whether nitrogen feeds your turf or gets consumed breaking down the amendment. DAKOTA leads on both — by a margin that shows up in your program costs.

Metric 01 — Cation Exchange Capacity (CEC)

Nutrient Holding Capacity — meq/100g

CEC measures how much nutrition your amendment can hold and release to the plant. Higher CEC means more nutrients retained in the rootzone — and less washed away. Every point of CEC is fertilizer that stays where it belongs.

DAKOTA Peat
200
Sphagnum Peat
143
Rice Hull Compost
109
Wood Bark
20
Source: Inter-Mountain Laboratories, College Station TX / K.W. Brown & Associates
Metric 02 — Carbon to Nitrogen Ratio (C:N)

Nitrogen Competition in the Rootzone

Any amendment with a C:N ratio above 30:1 pulls nitrogen from your rootzone as it breaks down — starving your turf to feed its own decomposition. DAKOTA's 15:1 ratio means it contributes available nitrogen rather than consuming it. Every other common amendment competes. DAKOTA feeds. That's all.

Amendment C:N Ratio Effect
DAKOTA Peat 15:1 Feeds Turf
Sphagnum Peat >50:1 Competes
Rice Hull Compost 65:1 Competes
Wood Bark 74:1 Competes
Source: Inter-Mountain Laboratories, College Station TX — All values dry weight basis
What the Numbers Mean on the Ground

Better Chemistry in the Soil Means Less Chemistry from the Bag.

CEC and C:N aren't lab abstractions. They're the reason DAKOTA program managers consistently reduce fertilizer inputs, cut wetting agent use, and control disease with fewer chemical interventions. When the rootzone chemistry is right, the turf manages itself — across every playing surface.

Superior Water Retention

DAKOTA's humic acid content dramatically improves the water-holding capacity of the rootzone. Turf stays hydrated longer between cycles, reducing irrigation frequency in documented programs. For sports fields and golf courses in drought-prone regions, this is a budget line you can actually manage.

Fertility That Stays Put

High CEC means fertilizer ions are captured and held in the rootzone — available to the plant, not washed through to groundwater. Superintendents report maintaining turf quality at significantly reduced fertility rates. Every pound of fertilizer you apply works harder and goes further.

Nitrogen That Feeds, Not Competes

A 15:1 C:N ratio means DAKOTA releases nitrogen to the plant rather than pulling it from the system. Most organics starve the rootzone while they break down. DAKOTA feeds it from day one — consistent color, growth, and health without surge or deficiency cycles.

Soil Biology That Works

DAKOTA's humic acid content and 811 microbial species create conditions for natural disease suppression, nutrient cycling, and root development. This is the biological explanation for why DAKOTA users report fewer disease interventions — the rootzone is healthy enough to fight its own battles.

Consistent Surface Performance

Straight sand creates inconsistent firmness and droughty conditions. DAKOTA's improved water relationship gives turf managers better control over surface firmness, drainage, and playability — critical on golf greens, stadium fields, and high-use athletic surfaces where conditions are non-negotiable.

Resists Layering & Compaction

DAKOTA's fine uniform consistency blends homogeneously with sand — no segregation, no stratified layers that impede drainage. Unlike organic debris and many amendment products, it stays where you put it and keeps working season after season.

Better for the Field.
Better for Everything Around It.

Every pound of fertilizer that doesn't leach is a pound that doesn't reach a nearby watershed. Every fungicide application that isn't made is a cost saved and a chemical exposure avoided. The DAKOTA program wasn't designed as an environmental product — but the outcomes are real, documented, and increasingly important to the facilities, municipalities, and governing bodies that manage the surfaces your clients play on.

↓20% Water use reduction — Silos Country Club, KY
0 Wetting agents used — 5+ years on DAKOTA (Bill Lewis, MN)
↓60% Fungicide cost reduction — documented first season field use
↓50% Fertility input reduction — reported within first full season
DAKOTA Peat is used across every professional turf application
Golf Course Greens Golf Tees & Fairways Stadium & Athletic Fields Municipal Parks & Greenspaces High School & University Sports Fields Race Tracks & Polo Fields Nurseries & Greenhouses Landscape Construction Erosion Control & Hydroseeding
Independent Research — Iowa State University

Independent Research. No Marketing Budget. Just Results.

Researchers at Iowa State University tested creeping bentgrass responses to organic and inorganic soil amendments under normal, low-nitrogen, and high-temperature stress conditions. DAKOTA Peat outperformed pure sand and Profile.

Creeping Bentgrass Study Results
Amendment Visual Quality Clipping Weight (dry) Final Sheath Weight (dry) Root Wk 4 Root Wk 8
DAKOTA Peat 8.17 1.17 0.40 29.00 44.20
Profile 6.75 0.72 0.32 23.50 39.88
Pure Sand 5.71 0.57 0.28 20.75 37.13
DAKOTA Peat — #1 in Every Category
Visual Quality 8.17
Clipping Weight 1.17
Sheath Weight 0.40
Root Wk 4 29.00
Root Wk 8 44.20
Profile
Visual Quality 6.75
Clipping Weight 0.72
Sheath Weight 0.32
Root Wk 4 23.50
Root Wk 8 39.88
Pure Sand
Visual Quality 5.71
Clipping Weight 0.57
Sheath Weight 0.28
Root Wk 4 20.75
Root Wk 8 37.13
Visual quality scored on 1–9 scale (higher = better). All measurements under heat stress conditions. Iowa State University creeping bentgrass trial — DAKOTA Peat vs sand vs Profile

"DAKOTA Peat improved visual quality, clipping yield, and root growth in both non-stressed and stressed conditions."

Iowa State University — Creeping Bentgrass Study

"DAKOTA Peat was the most effective of the organic amendments tested."

Iowa State University — Creeping Bentgrass Study

"DAKOTA Peat was the only organic material to increase total plant weight in the high temperature study."

Iowa State University — High Temperature Stress Study

"Inorganic amendments were not acceptable as a substitute for organics under normal moisture, low nitrogen, or high temperature stressed conditions."

Iowa State University — Soil Amendments Comparison
Soil Biology — Third-Party Verified, January 2024

811 Species. Independently Verified by DNA Sequencing.

In January 2024, DAKOTA submitted to Biome Makers' BECROP platform for next-generation DNA sequencing analysis — the same technology used by research universities and independent soil scientists. This isn't a marketing claim. It's a lab report. The biology you see below was already present in DAKOTA Peat before it ever touched your rootzone.

811 Microbial Species Detected Biome Makers BECROP — Report #DI9000 — January 2024. Independent next-gen DNA sequencing. Not a claim — a result.
5.76 Biodiversity Score (0–10 Scale) Measures richness, evenness, and distinctness of microbial species. A high-functioning, diverse biological community — not a monoculture.
69% Carbon Fixation Activity Microbes actively building soil carbon — the foundation of long-term rootzone fertility and biological stability.
68% Organic Matter Release Ongoing biological decomposition continuously adding plant-available nutrition. The rootzone feeds itself.
Biome Makers BECROP Analysis — Report #DI9000 Biological Function Activity
Carbon Fixation 69%

Microbes building stable soil carbon — long-term rootzone fertility

Organic Matter Release 68%

Continuous plant-available nutrition from biological decomposition

ACC Deaminase — Drought + Pathogen Protection 46%

Reduces ethylene stress in plants under drought and disease pressure

Inorganic Nitrogen Release 45%

Biological nitrogen supply — active microbial cycling, not synthetic inputs

Auxin (IAA) Hormone Production 42%

Stimulates root elongation, cell division, and germination support

Fungal phylum: Basidiomycota 75%, Ascomycota 11%. Bacterial: Actinobacteriota 37%, Proteobacteria 32%. These are naturally occurring species — not lab-isolated or lab-manufactured.

What This Means for Your Turf
Carbon Fixation + Organic Matter Release

Your rootzone is actively building fertility season over season. The biology doesn't need to be re-applied — it compounds. Every application of DAKOTA adds to a system that's already working.

ACC Deaminase — 46%

This is the biological explanation for why DAKOTA users report fewer disease interventions and better drought recovery. Microbes are actively reducing plant stress responses before symptoms appear.

Inorganic Nitrogen Release — 45%

Biological nitrogen cycling is replacing synthetic inputs. This is the mechanism behind the 30–50% fertility reductions documented in DAKOTA field programs — the biology is supplying what you used to buy.

Auxin (IAA) Production — 42%

Root development is being driven biologically, not just chemically. Deeper, denser root systems mean better drought tolerance, better nutrient uptake, and better surface performance under stress.

811 Species — Biodiversity Score 5.76

A diverse microbial community is a resilient one. Monoculture biology collapses under stress. DAKOTA's 811-species community has redundancy built in — when conditions change, the system adapts.

✓ Lab Verified
Control Labs
January 2025
85.9% Organic Matter
15:1 C:N Ratio
6.60 pH — Neutral
100% Cucumber Bioassay
Pass All EPA Metal Limits
Very Stable Stability Rating

Control Labs — Dakota Peat Sample LR25-002 — January 16, 2025  |  Fecal coliform: Pass  |  Salmonella: Pass  |  Zero physical contaminants detected  |  Sample LR25-002

FIELD MYTHS — SET STRAIGHT

Five Things You've Been Told About Organics. Most Are Wrong.

THE BELIEF

"Straight sand topdressing reduces thatch and gives me full control."

THE REALITY

Straight sand buries and mummifies your thatch — it doesn't break it down. The result: hydrophobicity, layering, and disease habitat building beneath a clean surface. DAKOTA topdressing mixes encourage thatch decomposition and create disease-suppressive, hydrophilic conditions instead.

THE BELIEF

"I already have too much organic matter. The last thing I need is more."

THE REALITY

What you have too much of is organic debris — not organic matter. They're not the same thing. Adding true humus (DAKOTA) actually helps your rootzone process and displace existing debris. You're not adding to the problem — you're adding the solution.

THE BELIEF

"A topdressing mix will soften my greens and cost me firmness."

THE REALITY

Straight sand creates droughty conditions that lead to overwatering and inconsistent surface firmness. DAKOTA topdressing mixes improve the water relationship of your rootzone — giving you better, more consistent control over firmness, drainage, and playability. You get more predictable greens, not softer ones.

THE BELIEF

"Sphagnum peat is the industry standard so it must be the best option."

THE REALITY

Sphagnum is the most commonly sold peat — not the highest quality. The USGA's own published standard ranks it last among peat types. It's acidic at pH 3.2–4.0, has a C:N ratio above 50:1, and delaminates and washes out of sand profiles over time. It became the industry standard because it's cheap and abundant, not because it performs best.

THE BELIEF

"Biology products are a nice-to-have. My fertility program is what actually drives results."

THE REALITY

You can't fertilize your way out of a biology problem. When rootzone biology is compromised, fertilizer efficiency drops — more inputs, less response. The DAKOTA program doesn't replace your fertility program. It makes every dollar of it work harder by building the biological foundation that drives nutrient uptake, cycling, and retention.

Application — How to Put DAKOTA Peat to Work

Three Programs. One Foundation.

DAKOTA Peat is a prescription product — the right blend ratio depends on your rootzone's current condition, soil profile, and program goals. These are starting frameworks. Robin Dufault will walk through the exact protocol for your specific situation at no cost.

01

Topdressing Program

  • 90/10 Sand/DAKOTA — maintenance topdressing, healthy rootzone
  • 85/15 Sand/DAKOTA — moderate organic improvement program
  • 80/20 Sand/DAKOTA — corrective program, poor organics or disease history
  • No sand touches the field without DAKOTA in it or on it
  • Golf greens, tees, fairways, athletic fields, stadiums, and parks
Pair with DAKOTA REV Turf Pro at 3.5 oz/1,000 sq ft monthly for maximum system benefit.
02

New Construction & Renovation

  • Begin with full soil profile assessment
  • Sand selection and design mix by certified lab before blending
  • DAKOTA blend ratio determined by design mix testing
  • Nutrient and water source analysis recommended before seeding
  • Start REV at 8 oz/1,000 sq ft at seeding — follow up every 14 days for two applications, then monthly at 4 oz
DAKOTA Blenders provides portable custom blending — most homogeneous blend in the industry.
03

Existing Pushup & Native Soil Fields

  • Soil profile pull to assess thatch, layering, and root depth first
  • Core aerify or deep tine to break up compaction layers
  • Apply 80/20 DAKOTA mix into aerification holes
  • Conversion to optimal rootzone typically takes 4–5 seasons
  • Begin REV program immediately — biology accelerates the transition
Applicable to golf pushup greens, native soil athletic fields, and park renovation projects.

Application ratios are prescription-based. Robin Dufault will review your current rootzone data, program history, and goals and recommend the exact starting blend for your situation — at no cost, no pressure. This is how DAKOTA has operated for nearly 40 years.

Talk to Robin →

IN THE FIELD - REAL COURSES, REAL RESULTS

WHAT HAPPENS WHEN YOU PUT IT DOWN.

BAYTREE NATIONAL GOLF LINKS - MELBOURNE, FL.

"The lab report showed signs of every major Florida turfgrass disease. We used fungicides and a 50/50 blend of DAKOTA Peat and sand. Then hand-sprayed REV at 6 oz per 2 gallons. The results speak for themselves."

Jordan Ellis, Golf Course Superintendent

5 WEEKS

Full recovery timeline

EVERY 

Major FL turf disease - resolved

ARROWHEAD GOLF CLUB - LITTLETON, CO

"I gave my horticulture team a gallon of REV to see what they thought — 16 hours later they were back asking for more. Needle tined and added an 80/20 DAKOTA mix. Eliminated hot spots, kept fairy ring under control, decreased fertility use by 40%."

Ryan Davis, Golf Course Superintendent

-40% 

Fertility use reduction

0 

Hot spots remaining

CONTROLLED

Fairy ring

READY TO START

10,000 YEARS OF DECOMPOSITION. READY FOR YOUR ROOTZONE

Request a sample kit and our resident turf expert, Robin Dufault, will reach out to walk through your current program, rootzone data, and goals. No pitch. No pressure. Just the best soil science available — and 40 years of proof it works.