蔬菜采用遮阳网覆盖栽培因具有多方面的优点而被广泛采用。通过实践检验,使用遮阳网时要注意以下六个问题: 1.蔬菜播种至出苗前可进行浮面覆盖,不需进行揭网管理;但注意在出苗后及时于傍晚揭网。移苗、定植后至缓苗前也可进行浮面覆盖,但要进行日盖夜揭管理。 2.出苗及缓苗后应进行棚架覆盖。 3.春种夏熟的瓜、茄、豆类蔬菜定植后可进行防霜覆盖,在小拱棚或大棚内的小拱棚上均可覆盖;如果在薄膜小拱棚上再盖上遮阳网、防霜效果更好,但应进行日揭夜盖管理。 4.黑色遮阳网适宜于对光照要求较弱的蔬菜,白 Vegetables covered with shading net cultivation is widely used because of its many advantages. Through practical testing, the use of shade net should pay attention to the following six questions: 1. Vegetable sowing to the floating surface before emergence can be covered without the management of the net; but pay attention to emerge in time in the evening after the net. Miao Miao, Huanmiao before colonization can also be carried out before floating cover, but to cover the night exposed management. 2. Emergence and Huanmiao scaffolding should be covered. 3. Spring summer melon, eggplant, beans, vegetables can be anti-frost covered after planting in a small shed or shed small shed can be covered; if the film on the shed and then covered with shade net, anti-frost Better effect, but should be exposed on the cover management. 4. Black shading network suitable for light requirements of vegetables, white