I've been there ones and asked the guys why not cut the trees down, he said fines would be severe, still nobody talked about "running" into them. such a waiste just cut the tree and replant 2 somewhere else
Row spacing is usually 15-20 inches in that area.
Planting depth anywhere from 2-6 inches below ground level, depending on how deep moisture is.
Normally single shoot with low rates of starter fertilizer. N is either pre-drilled or not used, depending on how newly developed the land is:
Here`s another one of their sowing rigs: