一、特点:无纺布具有一定密度,能保温保湿,还具布一定的透气、透光、透水性,而且耐腐蚀、耐老化、耐折叠,低温不变硬,可水洗,易回收。二、作用:用无纺布覆盖育秧,其育苗程序、水肥管理与常规育苗基本相同,所不同的是:1.无纺布前期积温少,捅期要适当提早3—5天。2.在苗床施药封闭后,在床而上铺一层地膜,待秧苗立针后期撒去。3.采用标 First, the characteristics: Nonwovens have a certain density, can keep moisturizing, but also with a certain cloth breathable, transparent, water permeability, and corrosion resistance, aging resistance, folding, low temperature does not harden, washable, easy to recycle. Second, the role: covered with non-woven seedlings, the nursery procedures, water and fertilizer management and conventional nursery basically the same, the difference is: 1. Non-woven fabric early temperature, poke period appropriate 3-5 days earlier. 2. In the seedbed closed after drug application, in the bed and shop a layer of plastic film, seedling stalks to be sprinkled later. 3. using standard