Plot looks good, Wisco. I can't completely answer your question, but I can share my experience. You obviously won't be able to feed deer with a plot that size, but you can definitely shoot one.
You have some decent biomass there with the maturing rye, but you can always use more. My plots are quite dry, so for me, the more thatch the better. If you are going to have some good moisture in the forecast, throw something into the rye that will grow quickly - buckwheat, oats, whatever works. Let that produce more biomass up until you plan to plant your fall food.
You won't be able to plant the LC Mix as he describes, but you can create an LC Smorgasbord.
You can spray or not. I've had better luck spraying first a few days prior. Throw your brassica seed and some clover. Mow and/or Roll, then walk away. For me this is in early July. At the end of summer, once the brassicas and clover are growing, top-seed the whole plot with cereal grains (oats & rye) and some more clover. You can also put down some fertilizer for the brassicas at the same time. For me this is the end of August or September long weekend. If you have clover that will overwinter where you are, make sure to include it. Remember, the grains and clover you add now will make up your biomass for next year - just like your plot right now. One thing I have learned is to NEVER skimp on the rye. Use more than you think you need, then add more.
I'm in Ontario, Canada, about an hour north of the NY border, so adjust your planting times to your location.
Good luck!