Here is a link to food plot info by one of the food plot experts. He passed away couple years ago but they posted all this info. He was one of the best. Hope you find the info usefull. He went by the screen name of dbltrees.
https://iowawhitetail.com/forum/forums/dbltrees-corner.45/
https://iowawhitetail.com/forum/forums/dbltrees-corner.45/