They are dropping the current model as well.
https://www.glocktalk.com/threads/sig-eliminates-the-p225-limits-p220-to-legion-other-models-discontinued.1799638/page-2
Looks as I suspected from the story. A moldboard plow is the answer. Turn in all under to get rid of the sod root wads that you are dragging around and cannot level out. Or wait until they decompose enough to level out better.