Article on aerial spraying for Asian soybean rust with CP nozzles.
An article on aerial application of fungicides for Asian soybean rust. It stresses even, complete coverage of the plant, especially the lower canopy, and recommends medium category sprays of 250 to 300 microns VMD, explaining the problems with droplets that are too fine or too coarse. It also covers water volume (as little as 3 GPA can work, with 5 to 7 GPA typically recommended in the USA), using CP nozzle settings to reach the right droplet spectrum, and calibrating and pattern testing.
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