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1.合理搭配种植。在塑料大棚内种植不同品种的蔬菜时,要按照“北高南低”的原则合理配植。种植时,种子朝一个方向,移栽时子叶平行排列,并要严格控制栽培规格,让植株生长整齐,尽量减少株间遮光。若温室面积大、条件好,室内最好搭配高、矮蔬菜,间、混、套种。2.选购无滴膜。目前,市场上出售的塑料薄膜多为普通膜,由于棚内湿度大,有许多水滴附着在棚膜上,影响了阳光的通透作用,所以,要选用无滴膜扣棚。3.保持棚膜清洁。棚室外壁的尘埃和污物,要经常打扫和擦洗,下雪天要及时清扫棚面上的积雪,以增加塑料的透明度。
Reasonable with planting. Planting different varieties of vegetables in plastic greenhouses, in accordance with the principle of “North High South low” reasonably planted. When planting, the seeds in one direction, transplanted cotyledons arranged in parallel, and to strictly control the cultivation specifications, so that plants grow neatly, minimize the light between the strains. If the greenhouse area, conditions are good, the best indoor with high and low vegetables, between, mixed, interplanting. 2. Buy non-drip film. At present, the plastic film sold on the market is mostly an ordinary film. Due to the humidity in the shed, many water droplets adhere to the film, which affects the transparency of the sunlight. Therefore, a drip film film shed should be selected. 3. Keep the film clean. Shed outside the walls of the dust and dirt to be cleaned and scrubbed regularly, snow days to promptly clean the snow on the shed to increase the transparency of plastic.