Crop Spraying in Fayette County, IL by Drone for Soybeans and Corn

Crop spraying prices in Fayette County

Crop spraying in Fayette County, IL by drone is priced per acre, per pass, application only. Illinois drone rates sit around $13 per acre, with $10–18 typical for soybeans, corn and wheat, and Illinois operators interviewed by Prairie Farmer in 2026 charged $12–15. Our rates:

Service	Typical rate	Notes
Post-emerge herbicide	from $11/acre	Waterhemp, marestail
Insecticide	from $11/acre	Stink bugs, bean leaf beetle
Soybean and corn fungicide	from $12/acre	Frogeye, Septoria, southern rust
Wheat head scab fungicide	from $12/acre	Early flowering
Cover crop seeding	from $14/acre	Into standing crops

Each visit has a $250 minimum. Rates depend on acres per trip, field shape, tree lines and wires, and the spray volume on the label. Product is billed separately or supplied through your FS or co-op.

Soybean-heavy farming in Fayette County

Crops make up 89% of Fayette County's $247 million in farm sales, according to the 2022 Census of Agriculture, and soybeans lead the rotation.

Crop	2022 acres
Soybeans	131,159
Corn for grain	101,614
Wheat	11,451
Forage and hay	6,702

The county's 1,122 farms average about 293 acres. With soybeans on more acres than corn, the busiest drone weeks are late July and August, when beans hit R3 and disease decisions come due.

Gray claypan soils and wet springs

Much of Fayette County lies in southern Illinois' gray prairie claypan region. USDA soil descriptions for Cisne soils describe a dense, clay-rich layer starting 16–21 inches down and a water table within about a foot of the surface from January to May. After a spring rain, these fields stay soft for days.

Field condition	Ground sprayer	Spray drone
Saturated claypan in May and June	Ruts, delays	No soil contact
Ponded spots in flat fields	Skips or gets stuck	Mapped and flown over
Soybeans at R3	Wheel-track losses	No crop damage
Kaskaskia bottoms after high water	Can't reach the field	Flies from the field edge

Frogeye leaf spot and southern rust

Frogeye leaf spot is the main soybean disease concern in southern Illinois. It takes about 9–14 days from infection to visible lesions, and some strains resist strobilurin (Group 11) fungicides, so field advisers favor products with more than one mode of action at R3. Septoria brown spot can also cost 3–6 bushels per acre.

In corn, southern rust was confirmed in southern Illinois in early August 2026. University of Illinois specialists note that a fungicide is unlikely to pay once corn is past R4, so fields need to be scouted and treated early. Drones make that early pass possible when claypan ground is still wet.

Wheat and double-crop soybeans

Fayette County grows about 11,500 acres of wheat. Head scab is controlled with fungicide at early flowering (Feekes 10.5.1), usually in May. After harvest, many fields go into double-crop soybeans, which reach R1–R2 in early August and need fast herbicide and fungicide passes. A drone avoids tracking through narrow-row beans planted into wheat stubble.

Spray calendar for Fayette County fields

Window	Typical drone jobs
April	Burndown on wet claypan fields; wheat herbicide
Mid-May	Wheat head scab fungicide at flowering
June	Post-emerge herbicide in corn and full-season soybeans
July	Herbicide on double-crop soybeans; corn fungicide near tassel
Late July – August	Soybean fungicide and insecticide at R3; southern rust checks in corn
September	Cover crop seeding into standing soybeans and corn

Late July and August fill quickly, so book once your agronomist sets a target growth stage. Cover crops seeded by drone into standing beans in September get several weeks of extra growth before harvest, which helps claypan soils take in water and dry out faster the following spring.

Kaskaskia River, Carlyle Lake and Ramsey Lake

The Kaskaskia River flows through the county toward Carlyle Lake, a 26,000-acre Army Corps of Engineers flood-control reservoir that reaches into southern Fayette County. Ramsey Lake State Recreation Area sits in the northwest near Ramsey. Fields along these waters are mapped with no-spray buffers, and operators use coarse droplets and fly only in favorable wind near the shore and public recreation areas.

Waterhemp, marestail and dicamba limits

Glyphosate-resistant waterhemp and marestail are the key weeds in Fayette County soybeans. Post-emerge passes work best while waterhemp is under 4 inches, and mapped escapes can be spot-treated later. Illinois bans dicamba applications after June 20 and above 85°F, and applicators must check the FieldWatch sensitive crop registry first. Drone programs rely on herbicides whose labels allow aerial application.

Illinois licensing for drone application

The Illinois Department of Agriculture (IDOA) licenses drone applicators. Commercial and for-hire operators pass the Aerial General Standards exam plus category exams such as Field Crops, and for-hire businesses file a certificate of insurance. FAA requirements include Part 107, a Part 137 certificate and a Section 44807 exemption for drones over 55 pounds.