Green chives are popular in Beijing and Tianjin

Xiangchengtun Village, Wubaihu Town, Xianghe County, Hebei Province, is a famous leek planting base in Beijing and Tianjin. in recent years, biogas slurry has been introduced to replace traditional chemical fertilizers and other biotechnology, adopted the way of "insect control" to eliminate insect pests, and successfully tried to grow green pollution-free leek. Welcomed by the Beijing-Tianjin market. The picture shows local vegetable farmers harvesting leeks. Photo taken by Wang Binshi and Sun Xin