1. Crop evapotranspiration: Guidelines for computing crop water requirements, Irrigation and Drainage Paper 56;Allen,1998
2. Evaluation of variable rate irrigation using a remote-sensing-based model;Barker;Agric. Water Manag.,2018
3. Evaluation of a hybrid reflectance-based crop coefficient and energy balance evapotranspiration model for irrigation management;Barker;Trans. ASABE,2018
4. Barker, J.B., 2017. Spatial Irrigation Management Using Remote Sensing Water Balance Modeling and Soil Water Content Monitoring. (Doctor of Philosophy (PhD) Dissertation), University of Nebraska Lincoln, Lincoln, NE. Retrieved from 〈https://digitalcommons.unl.edu/dissertations/AAI10271830/〉.
5. Barker, J.B., Heeren, D.M., & Neale, C.M.U. (2016). Perspectives on VRI Prescription Map Development with Satellite Imagery. Paper presented at the 28th Annual Central Plains Irrigation Conference and Exposition, Kearney, NE.