AL-SAIDAN KHUDHAIR JOUDAH YASIR 2024. The physiological relationship between the Nano-organic fertilizer Optimus plus and growth and yield of wheat (Ibaa 99). University of Thi-Qar Journal of agricultural research. 13, 2 (Dec. 2024), 135–142. DOI:https://doi.org/10.54174/s5sxwm76.