This could have already been pointed out (I don't have time right now to read back), but there is a problem with the crops. My friend and I farm together. She just called me to come harvest her wheat. She saw the wheat as ready and yellow and she could harvest it. I saw her wheat as still green and it told me she still had 15.9 hours left even tho she was harvesting at the time. These crops had NOT been watered with the mobile sprinkler.
So we went to my farm where I had tomatoes ready. We both saw them as ready to harvest (they had been sprinkled), but when I put out the hire order, I got the message saying I had to wait until crops were ready before hiring someone to harvest.
I used "crops and trees" not the crops only and it worked...