早春利用塑料大棚种植春大白菜立体套种苦瓜 ,既充分利用了保护地空间 ,又丰富了春淡季蔬菜品种 ,经济效益十分显著。每亩可产大白菜 50 0 0ｋｇ,苦瓜 350 0ｋｇ,亩产值可达 1 50 0 0元以上。其主要栽培方法如下 :1 品种选择大白菜应选择春性低、产量高的品种 ,如春大将、春秋 Early spring planting plastic cabbage spring planting cabbage three-dimensional intercropping bitter gourd, not only make full use of the protected space, but also enriched spring and autumn vegetable varieties, the economic benefits are significant. Chinese cabbage per acre can produce 50 0 0kg, 350 0kg bitter melon, mu production value of up to 1 50 0 yuan or more. The main cultivation methods are as follows: 1 Selection of Chinese cabbage should choose a low spring, high yield varieties, such as spring generals, Spring and Autumn