While a hybrid corn does give higher yields for a food plot there is nothing wrong with just the use of any shelled corn you can get from a local farmer & is vastly lower in costs. Sounds random perhaps to any who've not tried it, but it works well and saves one heck of a lot of $$. You can also plant with a grain drill if you've not a corn planter, just plug the holes you need to to get a proper row spacing. In fact if you use shelled corn from a local, it handles the mix of rounds and flat seed better.

If you do go with a hybrid this will allow you to ask for a hybrid best suited to your soil, and I'd ask for one that does well in dryer than average conditions.

On the other hand don't skimp on fertilizers. The biggest mistake most make when planting food plots is spending max amounts on seed & putting down more seed than needed, then not using enough fertilizers. Get a soil test done, and then use at least 80% amount of fertilizers recommended & you'll have good results. I'd say 100%, but Kansas still has dry conditions from last year & 80% will do a good job.

While a 30" row spacing is ideal, as suggested by Soilman, 36" is not a issue for food plots. I would suggest you ask the local ag shop what the best seed count is for your area per acre & not exceed it. Different soils & soil conditions can alter ideal seed counts a good deal, though Kansas has pretty good soils overall.

Also due to the lingering effects from last years very dry year in Kansas, you may do best with a 80% seed count to reduce stress if this year remains dry. Better a slightly thinner stand of crop with better production per stalk than a max planting that is stunted due to lack of moisture & thus tiny ears of corn. Pleae note I said "better", if it is as dry as last year.......not good. If you get the needed moisture, then you'll have plenty of food & still a pretty good plant count for cover purposes.