2022 article
Crop yield and estimated financial return from subsurface drip irrigation for corn, cotton, and peanut over the life of the system
CROP FORAGE & TURFGRASS MANAGEMENT, Vol. 8.
Core Ideas Subsurface drip irrigation increased corn, cotton, and peanut yield in some (not all) years. Financial returns over the irrigation system's life did not differ from dryland production. Subsurface irrigation supports economic viability some years but not over the system's life.