据秦皇岛市海港区广大菜农和农技人员近年来的试验示范证明,利用棚(室)种植秋冬茬番茄—冬茬小叶菜—冬春茬黄瓜,年收入可达2万元。由于其对温室要求不高、无风险;,并适合大面积生产,故而很受广大棚农欢迎。 According to the experimental demonstrations of the vast number of vegetable farmers and agricultural technicians in the port area of ​​Qinhuangdao Municipality, it has been proved in the past that the greenhouse (room) is used to grow autumn-winter stubble tomato-winter leaflet vegetables-winter and spring cucumbers with an annual income of up to 20,000 yuan. Because of its less demanding on the greenhouse, no risk; and suitable for large-scale production, it is very popular with the majority of shedding farmers.