THEY are burnt like burnt burnt. u need to cut your nuts. I would suggest u to flush them. make sure your soil ph is 6.5 and then try half the nuts and slowly add mroe u dont want any burning. the only thing u want is last week of flowering u want your leafs to slowly turn yellow. but yours R BURNT BADLY i dont knwo fi they will bounce back man.
try flush then ph your soil to 6.5 and then cut your nuts in half