Minnesota boaters may find crowded boat accesses and a shortage of trailer parking over holiday weekends warned a state fishing organization, MN-FISH. “There is one big reason for the access problems,’’ said MN-FISH president Ron Schara. “While state boat registrations have grown to more than 830,000 craft, the Legislature has consistently failed to give DNR needed funding to upgrade existing boat ramps or create new ones.” Currently, there is only 1,900 public boat ramps providing access to state waters. Since…