also bad phosphorus fertilizers contain just about every bad heavy metal and radioactive ones. USA has dirty P . China actually has some of the cleanest P because so much of their P refining are newer facilities and they work with different feedstock sources. USA is basically Mosaic corp which has bad sources now that theyve high graded the country, and old shitty refining process facilities.
People sleep on this contamination source getting added every year on almost all farmlands in USA . and its totally preventable problem with effects that cant be undone economically.
what is PUG?