To evaluate the effects of dose and application time of oxadiargyl. as a postemergence herbicide. on weed biomass and tuber yield of potato. a factorial experiment based on randomized complete block design with 3 replications was conducted at Alaroog Research Station at the University of Mohaghegh-Ardabili in 2013. https://www.roneverhart.com/VW-Flower-Van-Cookie-Cutter/