sorry to reply so late guys, had to go do a emergency welding job for friend of mine in a cattle barn.

nitrogen; 31lbs as dap last fall, 120 lbs this spring as nh3, no n-serve.

I pulled the top most leaves, apparently this is the most accurate.

as far as the boron, we didn't even know we were supposed to worrying about it until the hefty boys said we were, so it goes without saying we have never applied it.

10-4 on the potash. this farm has had hog manure applied on it once about 20 years ago.