We had turnips last year in one of our food plots, I'm just about positive that we used Green Patch Plus. I remember that the turnips showed up out of nowhere, we weren't expecting them and I don't think it says on the website or on the bag that Green Patch plus produces turnips, but they were there. I looked on the website a little bit but couldn't find much information about it.
http://www.mossyoakbiologic.com/
The deer really didn't go after the turnips much, only a couple were nibbled on. However there was one really nice buck killed near that food plot.
The best results I've had was with Full Draw with crabapples mixed in for the early season, man they went absolutely crazy over that stuff.