dais, M., Hadia Hassan, and Sawsan Suleiman. “Effect of Humic and Salicylic Acid on Potato Vegetative Area, Yield and Quality at Two Different Irrigation Levels”. Al-Qadisiyah Journal of Pure Science, Vol. 27, no. 1, Jan. 2022, pp. Envi 1-12, doi:10.29350/qjps.2022.27.1.1411.