The story is behind a paywall if you want to have a look.
We can’t currently find the story at any other source but it sounds as though it could be a big problem for growers especially if they don’t have crop insurance to cover things
Read the story here https://www.azcentral.com/restricted/?return=https%3A%2F%2Fwww.azcentral.com%2Fstory%2Fnews%2Flocal%2Farizona%2F2020%2F01%2F16%2Farizona-hemp-harvests-have-too-much-thc-leading-destruction-crops%2F2700075001%2F
It might be worth checking with the relevant dept in AZ if you need to know more. Just click on the image to access their site and specifically the hemp licensing, regs & rules page