osceolaman, for a 50 hp tractor and I'll assume a L or M either can handle a 10ft or less disc if you have rear remotes a wheeled disc would be nice but expensive when new plus with a 3pt you can easily pick it up and drive to the next and it follows no matter what so in small plots where backing up is necessary a 3pt is simple where a pull type may not be. I'm running a 90hp but my intentions were the same food plots not farming. I ended up getting a 3pt Hay King 8' disc and I weighted it down with 640lb of water in two propane cylinders it works well for me BUT I was not content with the tillage after the first season so I bought a 8' Hay King 7shank chisel plow to work the soil better and deeper and then I go back and disc up the seed bed and plant. It works well except no matter what you do you still will be relying on the man upstairs for water unless you plan on watering them as well. In 8 months we've gotten 2-1/2" of rain I can't even get rye to come up as I replanted halfway thru deer season when my wheat and oats withered and died. Good luck on your plots and pray for rain I'm convinced that with rain you can do it. Many of the TBN'rs will tell you that you don't need a plow for food plots it don't need to be pretty and your not striving for 90+% germination but I went that way to try and retain more moisture in the soil when/if it rains. My first planting came up fine without it but shortly after it came up we went into a drought and it hasn't rained since. Welcome to TBN there is a wealth of information on the site from accumullated 100's of years of experience, you'll find many ways of skinning the same cat most of them will work for the region that your in so fill out your bio and local folks will be able to help you best I'm in South Central Texas and pray for rain the folks in Oregon probably pray it'll stop and if your planting in 6' of top soil instead of my 6" you'll have great success with about anything you can pull to rough up the seed bed, heck before we got the tractor I was doing it with a recently cut cedar tree tied to the back of a 500hp Jeep.
Steve