By Anthony Bailey
LSU AgCenter
In 2023, Anna Timmerman, a horticulture agent for St. Bernard and Plaquemines Parish, had to think swiftly to deal with a salt wedge that was rising up the Mississippi River. There were concerns about this causing issues for nursery irrigation systems, Timmerman was particularly worried about how the saltwater would affect one segment of her clientele: Plaquemines Parish citrus producers.