辽宁省是东北烤烟主要产区之一。西起兴城,东至凤城,南起庄河,北至西丰,都种植烤烟。无霜期,西部和南部为160—180天,北部和东部为130—150天。降雨量800—1000毫米左右。气温5、9两个月平均在16℃左右,6、7、8三个月在20—23℃。根据当地气候特点,一般育苗在3月20日前,5月中旬栽烟,7月中旬开始烤烟,霜前采收完毕。随着品种的更新,栽培技术的改革,近几年来产量上升很快。据各地优质高产经验和试 Liaoning Province is one of the major producing areas of northeast flue-cured tobacco. Xingcheng west, east of Fengcheng, Zhuanghe from the south, north of Xifeng, are planted with flue-cured tobacco. Frost-free period, 160-180 days in the west and south, 130-150 days in the north and east. About 800-1000 millimeters of rainfall. Average temperature of 5,9 two months at about 16 ℃, 6,7,8 three months at 20-23 ℃. According to the local climate characteristics, the general nursery before March 20, mid-May planted tobacco, tobacco began in mid-July, frost before harvesting completed. With the update of cultivars and the reform of cultivation techniques, output has risen rapidly in recent years. According to high quality and high yield around the experience and test