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辽源市位于吉林省中南部,地处东辽河、辉发河上游。属半湿润中温带大陆性季风气候,一年四季分明。常年平均气温为5.4度,平均无霜期为140天。全年光照时数为2507小时。夏季雨热同季,光热条件较好,有利于大白菜的生长和发育。从2006---2009年间,我市大力发展无公害蔬菜生产,无公害蔬菜认证面积达20.6万亩。为确保蔬菜
Liaoyuan City, located in central and southern Jilin Province, is located in the East Liaohe, Hui Fa River upstream. Is a semi-humid temperate continental monsoon climate, year-round distinct. The annual average temperature of 5.4 degrees, the average frost-free period of 140 days. The annual number of hours of light is 2507 hours. In the same summer rain and heat season, light and heat conditions are good, is conducive to the growth and development of Chinese cabbage. From 2006 - 2009, the city vigorously develop pollution-free vegetable production, pollution-free vegetable certification area of 206,000 mu. To ensure vegetables