Effects of organic manure and biofertilizer application on flowering and some yield traits of coriander (coriandrum sativum)

In order to study the effect of organic manure and biofertilizer application on flowering and some yield traits of coriander (Coriandrum sativum), an experiment was conducted as factorial experiment in the base of randomized complete blocks design with twelve treatments and three replications at homand research station in Damavand of iran in 2010. The factors were cattle manure in four levels (5 , 10 , 15 and 20 ton/ha) and nitrogen fixing bacteria in three levels (inoculation with azotobacter, inoculation with azospirillum and inoculation together). Results showed that the highest umbel number per plant, biomass yield and essential oil yield were obtained with consumption of 15 ton/ha cattle manure. Nitrogen fixing bacteria also showed significant effects on umbel number per plant and seed yield (except essential oil yield). The maximum umbel number per plant were obtained with two treatments of inoculation with azotobacter and inoculation with azospirillum and seed yield were obtained with azospirillum inoculation.