Keep your training up to date. Less stress means fewer mistakes. Communicate with your boss. Talk about what is happening out in the field. Communicate with your family.
Summer is always a rough time for pesticide applicators and their families.
They are your support system, so don't treat them as if they were the problem. Tell them that you have a lot of hard work to do and that you need their help to get through the season. You'll be surprised how family and friends can respond when they are included.