The problem arises on clubs that throw millions of targets.....The bios change the PH of the soil if the pieces are not picked up and they are allowed to degrade....which was the purpose....I doubt 20 cases over a large area would have much of a negative effect....
Club close to here had their soil tested and the Ph was 3-4....Supposedly they were going to lime it heavily....So far the heavy target fall areas are mostly dirt....
