https://www.swiftdronesolutions.com.au/post/drone-spraying-vs-boom-spraying-when-it-wins-and-when-it-doesn-t-winter-edition 2026-07-23 https://static.wixstatic.com/media/1a67b6_9e53f23646e546c09f2558e67c383d49~mv2.jpg Agricultural drone spraying capeweed in a wet Gippsland pasture during winter