韭菜是我区早春上市主要菜种之一。为了提早上市,五原县城关公社永久大队针对当地春寒春旱的气候特点,从1977年开始,连续三年采用阳畦塑料薄膜覆盖韭菜,既提早上市,又大大增加了社员收入。1979年3亩韭菜2月27日开始用塑料薄膜覆盖阳畦,35天后(4月2日)第一茬上市,比露地韭菜第一茬上市时 Leek is one of the main dishes of our district listed in early spring. For early listing, the permanent brigade of the Chengguan commune in Wuyuan County, in light of the climatic characteristics of spring, spring and drought in the local area, began to apply plastic film covering the leek for three years in a row for two consecutive years. This not only brought the market early, but also greatly increased its members’ income. 1979 3 acres of leek February 27 began to cover the sun with plastic film, 35 days after the first crop (April 2) listed more than the first listing of open leek when exposed