Welcome to PBF!
Yep, you definitely need some Ag Lime. The rule of thumb I've see Bob L. recommend is a minimum of 20 for Alkalinity. With Ag Lime, more is better. IMO Sending a soil sample to LSU is a good move.
Again, welcome!
Bill D.
Last edited by Bill D.; 11/06/19 10:13 AM. Reason: Correction