To study the effects of organic fertilizers’ of compost and vermicompost on seed yield and some main agricultural characteristics in Cumin plant in Ardabil region conditions, a research was conducted in the form of complete randomized blocks design in three replications at Ardabil IAU Research Station, in 2010, which included three treatments of control, compost and vermicompost. Data ANOVA results suggested that there is an organic fertilizers’ effect on all traits at 1percent. Mean comparison indicated that seed yield, plant height, seed weight, biological yield and harvest index had the highest values in compost bio-fertilizer treatment while the lowest values were related to the control treatment
