Winter and spring wheat total approximately 45 million US acres annually, with the Great Plains (Kansas, Oklahoma, Nebraska, North Dakota, South Dakota) and Pacific Northwest (Washington, Idaho) as the primary markets. The critical drone application window is T3 at heading, when Fusarium head blight (scab), stripe rust and leaf rust do their worst damage. The USDA ARS Wheat Scab Initiative estimates proper fungicide timing reduces deoxynivalenol (DON) mycotoxin contamination by 40 to 60 percent, which is the difference between food-grade wheat and discounted feed wheat at the elevator. Drones are rapidly gaining market share against airplane applicators on wheat, with most Great Plains operators running DJI Agras T50 and Hylio AG-272 for the 1,000+ gallons-per-day throughput the heading window demands, especially on fields under 500 acres where airplane mobilization cost makes per-acre pricing uncompetitive. Kansas State Extension trials show drone applications at 2 to 3 gallons per acre match airplane efficacy at 2 to 5 gallons, and NDSU Extension has published similar data for North Dakota hard red spring wheat. The compression of the heading window (often just 5 to 7 days) makes local drone operator capacity a real constraint, and wheat growers who line up their applicator in April for a July spray usually get better pricing than last-minute callers.
Typical rate: $12 to $16/acre
US acreage: 45M+ acres