They’re commercial looking jets but are flying lower and i live where grid trails don’t exist. And they never dissipated just spread. A line where it blew out to one side from a strong line
Discussion
In the UK many people watched their back and forth flight patterns
So they are not commercial jets but they are commercial looking jets.
Do you know you can get a camera with a strong zoom for less than 1k or even a cheap telescope, take pictures and video, you could clearly see the plane's identification number and maybe the type of spray system they are using, start an investigation that could result in one of the biggest revelations on climate.