rocksnstumps
5 year old buck +
You can protect small spruce to spray around them with Gly with some duct pipe and a stick...
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Doing the grass elimination using gly like above and a guard to help spray for the first couple yrs makes a difference very noticable even 10 -15 yrs later. I did it with just a tall narrow plastic wastebasket with a short stick also on spruce with hundreds. Mostly the outer rows by fence lines and key blocks of future cover. Couldn't do them all, too many but definitely worth the trouble
Getting rid of heavy grass is key. You will likely get a flush of broadleaf weeds maybe end of yr 1 or more so yr 2 but they are minor in detracting growth like heavy sod.