I would fill it in a little more with the surrounding brush or cedar branches.....if the Deer aren't moving close enough to your Blind and your too far back from the corn field you can always move it in a little closer and use some of the corn stalks around your blind to conceal it and make it look more natural.

I think You'll do better in the blind because there is little to no cover up in a tree this time of year and you'll get skylined when the Deer come in!