"“There's definitely a state of very high excitement about drones,” says Wolf. “We look at them and see their potential to change the way we farm and apply products.” That excitement, however, comes with caution. Wolf points to three major concerns currently facing spray drones: drift from ultra-low water volumes, uneven spray deposition, and inconsistent swath widths."
"“Drones aren't, frankly, that uniform yet,” he says. “We are seeing patterns that are a little bit erratic... we're seeing regions where we're over applying and under applying.” Unlike a conventional sprayer with a fixed boom width, drone performance can vary depending on droplet size, speed, wind, crop canopy, and flying height."
"Wolf says operators need to carefully measure and calibrate swath widths to avoid skips or overlaps that could reduce efficacy or waste product. Despite those concerns, Wolf believes drones will continue to gain traction for applications beyond spraying, including seeding wet spots, pasture rejuvenation, and spreading fe"
New regulations are being considered to allow drones to apply pesticides already registered for aerial use in Canada. Drones are shifting from novelty toward serious farm equipment by enabling fungicide application without wheel tracks and by reaching wet areas inaccessible to ground machinery. Drones can also support other tasks such as seeding wet spots and pasture rejuvenation. Key technical challenges remain, including drift risk from ultra-low water volumes, uneven spray deposition, and inconsistent swath widths. Drone spray patterns can be erratic, leading to over-application in some regions and under-application in others. Performance varies with droplet size, speed, wind, crop canopy, and flying height, so operators must measure and calibrate swath widths to prevent skips or overlaps that reduce effectiveness and waste product.
Read at Realagriculture
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