The top three brands captured 7.2% of direct mentions in Soil Testing & Agronomy Services.
Share of direct mentions
7.2%
92.8%
share of answers
Data as of Aug 25, 2026 · Based on 565 AI responses · See how Parse measures this
Soil Testing & Agronomy Services
ParseChatGPT + Google AIParse
https://parse.gl
Measured across ChatGPT & Google AI| # | Brand | What AI says | Mention rate |
|---|---|---|---|
| 1 |  Cornell University | 33% | |
| 2 |  Ward LaboratoriesRespected lab bridging fertility analysis with biological soil health indicators. | Respected lab bridging fertility analysis with biological soil health indicators. | 31% |
| 3 |  United States Department of Agriculture (USDA) | 23% | |
| 4 |  AgSourceStandardized laboratory network offering integrated consulting and broad testing. | Standardized laboratory network offering integrated consulting and broad testing. | 18% |
| 5 |  EarthOpticsSpecializes in high-resolution, deep-scanning soil data collection. | Specializes in high-resolution, deep-scanning soil data collection. | 13% |
| 6 |  Soil Health Institute | 13% | |
| 7 |  Waypoint Analytical | 10% | |
| 8 |  Penn State | 10% | |
| 9 |  Midwest Laboratories | 10% | |
| 10 |  Deveron | 10% | |
| 11 |  Blinc | 10% | |
| 12 |  Logan Labs | 9% | |
| 13 |  Texas A&M University System | 9% | |
| 14 |  University of Minnesota | 8% | |
| 15 |  Biome Makers | 8% | |
| 16 |  Farmers EdgeDelivers white-label digital tools for retail agronomy services. | Delivers white-label digital tools for retail agronomy services. | 7% |
| 17 |  Soiltest Labs | 7% | |
| 18 |  SGS | 7% | |
| 19 |  Regen Ag Lab | 7% | |
| 20 |  A&L Great Lakes Laboratories | 7% | |
| 21 |  Yara | 6% | |
| 22 |  Holistic Soils | 6% | |
| 23 |  Waters Agricultural Laboratories | 6% | |
| 24 |  Fertilizer Recommendation Support Tool (FRST) | 5% | |
| 25 |  Rutgers University | 5% |
Mention-rate rank fell from #2 in 2025 to #5 in this ranking as of August 2026.
Rose from 0% mention rate in October 2025 to #3 position as of August 2026.
Who wins on each AI
ChatGPT favors precision-equipment vendors like SoilBeat and Campbell Scientific, while Google AI Overviews prioritizes retailer-facing brands like AgSource and Dairy One.
| Brand | ChatGPT Search | Google AI Mode | Comparison |
|---|---|---|---|
| Farmers Edge | 18% | 7% | |
| Fertilizer Recommendation Support Tool (FRST) | 8% | 16% | |
 SoilBeat | 14% | 0% | |
 FarmQA | 0% | 12% | |
| Ward Laboratories | 14% | 10% |
The two models disagree most about Farmers Edge (ChatGPT #1, Google #22).
Sources AI cited
soilhealthlab.cals.cornell.edu is the page AI reaches for most here, cited in 25% of analyzed answers.
Share of direct mentions
share of answers
Share of direct mentions
share of answers
Cornell Soil Health Laboratory holds the top position in the soil testing niche as of August 2026. This ranking reflects a competitive landscape where university-linked and research-focused laboratories command the highest mention rates in AI responses.
Across 565 AI responses, Cornell University is mentioned most, named in 33% of them, followed by Ward Laboratories (31%) and United States Department of Agriculture (USDA) (23%).
Parse measures each brand's mention rate — the share of answers naming it — across 565 AI responses to this market's buyer questions. Answers are collected daily and the ranking is published weekly.
Brands enter the ranking when AI answers mention them. Parse collects answers daily and publishes the re-measured set weekly, so new brands appear as AI starts recommending them.
RegrowChrysaLabsAI responses emphasize the distinction between modeling-only tools and those requiring physical sampling. Since June 2026, citations have shifted to highlight providers like 
ChrysaLabs for enterprise and grant-ready MRV.
Brands mentioned
RegrowWhich vendors provide soil carbon baseline testing and long-term monitoring for grant reporting?
AI responses emphasize the distinction between modeling-only tools and those requiring physical sampling. Since June 2026, citations have shifted to highlight providers like ChrysaLabs for enterprise and grant-ready MRV.
Fertilizer Recommendation Support Tool (FRST)
Penn State Agricultural Analytical Services LaboratoryAnswers have increasingly directed users toward university extension laboratories and digital platforms like SoilTestPro. By August 2026, the focus centered on platforms that synthesize local calibration data for specific regional soil types.
share of answers
Fertilizer Recommendation Support Tool (FRST)Which soil testing platforms generate localized lime and fertilizer recommendations for small farms?
Answers have increasingly directed users toward university extension laboratories and digital platforms like SoilTestPro. By August 2026, the focus centered on platforms that synthesize local calibration data for specific regional soil types.