The research entitled "The Effect of Chicken Eggshells and CPO Waste on the Growth and Production of Celery Plants (Apium graveolens L.)" was carried out at the Experimental Garden of the Faculty of Agriculture, Islamic University of Riau, Jalan Kaharuddin Nasution Km 11 No.113. Air Cold Village, Bukit Raya District, Pekanbaru City. The research was conducted for 4 months from November 2022 to …