#1 depending on what you planted, you need to diversify #2 deer really don't eat much "hay" they do eat greens high in protein with are mainly legumes growing among the hay. i.e. you could plant enough Dutch/Ladino clover mix along with trefoil and vetch on 100 ares provided you had adaquate browse to feed 37.5deer/year but you would need to have rotated plots to keep new growth available 24/7 365 days/yr #3 pole stage timber is not good deer habitat new growth timber is and 1-5 yr old modern select cutting with 30% mast crop producers mixed in the best.
'Course I ain't no fancy biologist boy in Harrisburg I'm only a dumb hick that must either produce crops to convert to cash or starve