I hunt by two methods -walking along corn and grain fields or sitting in a flyway.
I have 2 german shorthairs that will run parallel to me in the high corn zigzagging between rows flushing out doves that otherwise might not fly. Then after the shot the dogs help me locate the downed birds. I have found that the corn and grain fields that have exposed dirt between rows or under the grain hold more birds- probably because they are able to find grit there to help them digest their food.
When hunting flyways I try to find where the birds roost and set up on them in the evening and wait for them to start taking to the trees. I don't have any major flyways where I live so I set up where the birds fly to and from the fields.
This year has not been very productive for me, I am just not seeing many doves anywhere. But I have another week before I start deer hunting so I will be doing alot of hunting this upcoming week for doves. Good Luck to Ya!