John Dieball
DJI T-20 custom drone fungicide spray + cover-crop seeding.
John Dieball provides drone pesticide and fungicide spraying and aerial cover crop seeding for Cover Crops across Minnesota. From a Henderson base, the crew covers Minnesota growers inside the Corn Belt region. Any operator running commercial pesticide passes over Minnesota fields holds FAA Part 137 alongside the Minnesota Department of Agriculture (MDA) aerial-applicator credential.
Operations are based in the Corn Belt region.
Services offered
Pricing context for the crops John Dieball services
Typical 2026 per-acre rates for drone spraying by crop, based on US ag drone industry data. Contact the operator for a quote on your specific fields.
- Drone spraying for cover crops$12 to $18 per acre
Crops serviced
States served (1)
Aerial pesticide licensing in states served
Every state requires a pesticide applicator license with the aerial category endorsement on top of FAA Part 137. The agencies that issue these licenses in John Dieball's service area:
- Minnesota: Any commercial drone spray over Minnesota fields needs Category B: General Aerial. Plus MnDOT aircraft registration and commercial operations license., issued by Minnesota Department of Agriculture (MDA).
Full agency, exam and renewal-cycle details by state are catalogued on the state pesticide licensing reference.
Verify and resources
Primary-source references for verifying credentials and looking up state-specific rules in John Dieball's service area.
Frequently asked questions
Verifying John Dieball runs through three independent checks: Part 107 via the FAA Airmen Inquiry, Part 137 via the issuing FAA Flight Standards office and the state aerial-category pesticide applicator license via the receiving state's department of agriculture. In Minnesota the state credential is issued by Minnesota Department of Agriculture (MDA); you can ask the operator for the applicator license number and verify it with the agency directly. Pair that with a current chemical-drift COI and the Section 44807 exemption number for due diligence.
Typical drone spraying rates of $12 to $18 per acre in the region is application-only. The chemical, the surfactants and the adjuvants are farmer-supplied. The rate covers calibration, RTK GPS flight planning, the labor to fly the field, mixing and loading from your product, plus the FIFRA Part 170 application record: date, time, product, EPA reg number, rate, weather, field ID. Then watch four surcharges. Travel past a stated radius. Weekend or emergency turnaround. Terrain and obstruction add-ons. A minimum-acreage floor on a small field. Confirm every one of them in writing.