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近年来,大棚种植蔬菜已成为我区菜篮子工程的重要组成部分。利用大棚内升温快,热容量大,保温性能好的特点,进行早春早熟品种栽培,使蔬菜提前上市,或反季节蔬菜种植,以获得较高的经济效益。但是,由于大棚内特殊的生态环境:空气湿度大、温度高,而
In recent years, greenhouse cultivation of vegetables has become an important part of our district vegetable basket project. Use of greenhouses warming fast, large heat capacity, good insulation properties, early spring varieties of early cultivation, the vegetables market in advance, or counter-season vegetable cultivation, in order to obtain higher economic benefits. However, due to the special ecological environment in the greenhouse: air humidity, high temperature, and