Effect of Chemical Fertilizer, Cow Manure and Municipal Compost on Yield, Yield Components and Oil Quantity of three Sesame (Sesamum indicum L.) Cultivars in Mashhad

In order to evaluate the effects of different organic and chemical fertilizers on yield, yield components and seed oil content of sesame an experiment was conducted in a split plot layout based on randomized complete block design with four replications at Research Station, Faculty of Agriculture, Ferdowsi University of Mashhad in year 2006. Four types of fertilizer, including chemical fertilizer, cow manure, municipal compost and no fertilizer (control) were allocated as main plots and three sesame cultivars (two local varieties of Kalat and Esfarayen, and Oltan cultivar) were used as sub plots. The results showed that fertilizer treatments had significant effect (P)