Oh, plan B isn't bad with farming, it's when you start getting past the middle of the alphabet you know you've run into a rough patch. :)
Dad ran 200 acres with a 2-16 or 3-16 plow, so there were more years than not that he planted the wheat and especially the oats into spring-disked corn stalks, it works out pretty good. We'd even do a plowdown of clover and that came up good through the corn trash too.
Good luck with it.