I was leaning toward P lockout. you gave them more P which would not fix the lockout.. they are certainly not deficient why not flush them a bit? you may be giving them too much of something and causing lockout, but since you didnt tell us what you're giving them and dont want to know "what to do" I dont really know how I could help you
hypersensitivity to fulvics? are you perhaps giving them multiple products that contain either fulvic and or humics?
hypersensitivity to fulvics? are you perhaps giving them multiple products that contain either fulvic and or humics?