Milorganite and mammals: what do they have in common?

At golf courses that suffer from white grub infestations, the damage caused by the grubs themselves is sometimes negligible compared to the damage caused by raccoons, moles, skunks and other mammals that dig up the sod looking for grubs. But recent reports from Dr. Harry Niemczyk (Ohio State University) indicate that application of Milorganite may help to keep mammals from returning again and again and digging up the same areas. Although replicated trials have not been conducted to confirm this…