New publication: Soybean flour as an alternative plant-based fertilizer

A new, open access article co-authored by Dominic Petrella has been published in Crop Science. This study evaluated defatted soybean flour as a potential plant-based fertilizer option applied as a powder, drench, or spray to perennial ryegrass and tall fescue. 

VanLandingham, T., Medina Privatt, B. A., Breuillin-Sessoms, F., Gardner, D., Nangle, E., Powlen, J., Bigelow, C., & Petrella, D. (2026). Soybean flour as an alternative plant-based fertilizer for perennial ryegrass (Lolium perenne L.) and tall fescue [Schedonorus arundinaceus (Schreb.) Dumort] lawns. Crop Science, 66, e70358.