Join the Field: How to Pilot the Subterra Green on Your Operation

Bringing a new soil analysis technology into your fields starts with a question we hear often: what does working with S4 actually look like? 

A True Partnership Model

S4 pilot projects are built on collaboration, not a hand-off. You bring your agronomic expertise, we bring the Subterra Green. Together, that combination produces something neither party could generate alone: high-resolution, geo-referenced soil data mapped across your specific field conditions.

A field visit typically involves:

• Grid layout and planning: The field is divided into a sampling grid, ensuring spatial coverage that reflects real variability rather than averaged zones

• Probe insertions: The Subterra Green's fiber-optic probe is inserted directly into the soil at each grid point, capturing spectral readings in real time.

• Parallel soil cores: Traditional soil cores are collected alongside the Subterra Green readings, providing the lab-verified reference data needed for model calibration

• Continuous geo-referencing: Every reading is tagged to a location, building the spatial dataset that becomes your field map

  
  

What You Receive

At the conclusion of a pilot, partners receive a field data map for the sampled area — both a pre-calibration output from the Subterra Green and a post-calibration version refined against your lab results. That comparison is instructive on its own, showing how the technology performs against verified data in your specific soil environment.

Why Early Partners Matter

Pilot partners aren't just early adopters; they're co-developers in a meaningful sense. The agronomists and farm operators who engage now will have direct influence on how this technology performs when nutrient detection reaches full deployment.

If you're interested in exploring what a nutrient mapping pilot could look like for your operation, we'd welcome the conversation.

Reach out to S4 Mobile Laboratories to learn more about current and upcoming pilot opportunities.