This research was aimed at, investigating the factors that affect the transfer of learning (Learning Transfer System Inventory) as related to FFS programs in Fars Province , and the way their being ranked in different cities. The study was an intentionally practical one. A survey method was employed to carry out the descriptive – correlational research. Population of the research consisted of Fars Province farmers participating in FFS courses during 2009-2010 farming season (N=235) . According to Krejcie and Morgan Table , a sample of 131 farmers was selected through Proportional Allocation Sampling method. A questionaire was devised for data collection, the content validity was of which verified by some agricultural extension and education experts in Tarbiat Modares University, Shiraz University and Fars Provionce Department of Agriculture. The questionnaire's reliability was ascertained through Cronbach’s Alpha determination, following a pilot test. (Alpha for 70 items=0.79). Findings revealed that practice of self efficacy and supervisor's sanctions were respectively identified as the most and least important factors affecting the transfer of learning. Also Farashband, and Darab were ranked the first and second, while Mamasani and Neyriz ranking 10th and 11th among cities, with regard to the importance of factors affecting learning transfer in FFS programs. Also there was a positive significant correlation observed between farmers extension contacts and basic factors of: learning of the secondary effects, motivation, ability and environment in the process of the transfer of learning.