When we hunted there we found a lot of farms were on the CRP, Conservation Reserve Program. The way I understand it the farmer has to plant a crop and not harvest it for a number of years and the Gov. pays so much per section per year. Many plant to benefit Ringnecks then charge to hunt the farm. Some even board hunters. I forget what they charged but we limited out. Limit is same as State. If you pay to hunt on their farm they may let you park your rig. I wouldn't doubt some may have provided spaces. My BIL knew locals who told us where to go. Any local bar is a good place for info. They know the farmers. Good luck..