棚（室）具有良好的采光保温性能，目前：已被广泛应用于喜温蔬菜的越冬栽培。但是每年６～９月，即前茬越冬蔬菜拉秧到下茬蔬菜定植期间，常因棚（室）温度高而放弃不用，这不仅浪费地力，也不利于杀灭土传病害。为了进一步提高棚（室）生产的经济效益，兹将新乐市有关几种夏 Shed (room) has a good lighting insulation properties, at present: It has been widely used in winter overwintering cultivation of thermophilic vegetables. However, from June to September of each year, that is, during the planting of winter vegetable in the former winter crop and vegetable planting in the next crop, it is often abandoned due to the high temperature of the shed (room), which is not only a waste of soil fertility but also a detriment to the soil-borne diseases. In order to further improve the shed (room) production of economic benefits, it will Xinle City, about several summer