At St. Louis Planting Co. in Iberville Parish, Patrick Frischhertz is busy checking off the list of usual springtime chores at a sugarcane farm: preparing rows for planting and applying fertilizer.
Far from usual, however, is the cost of completing these tasks.
Potash fertilizer is about 250% more expensive than it was two years ago, Frischhertz estimates. Some herbicides have doubled in cost and…