peview of potential point for saffron cultivation in kermanshah provice the authors

 saffron , which is one of the most valuable plant , needs a peculiar condition to grow up. Nevertheless, over 90 percent of the cultivation of this plant is in Iran based on the local method. By the survey of the effect of the meteorological parameters on the function of saffron and appoint the auspicious region to its cultivation. Based on these factors it can be helpful in the development of agricultural and economical condition of the cultivation , so the current paper tries to evaluate the most important meteorological parameters which have the main effect on the growth saffron for the last 27 years from the five synoptic statians by the comparison the solarr and AD years then recollected these data , and analyzed them by using gis .arc info and ABC softwares . at the end ,by the compilation of these data the final map , which is shown that 65 percent of the studied region are suitable to cultivate saffron in it was achieved . These area consist of the west and center part of the province and the southeast is the week place to cultivation.