in order to study the effects of different sowing dates on yield potential of cumin ecotypes and to appoint the best sowing dates of cumin at kerman, the present experiment was performed base on rcbd with split plot arrangement and 3 replications during growing season of 2011-2012. different sowing dates (25th december, 9th january, 24th january, 8th february and 23th february) as main plot, an...