蔬菜异常苗的防治１．顶盖与戴帽苗。产生原因是床土过干，覆土过薄所致。防治措施：苗床底水要浇足，盖土厚度耍适宜。茄子、辣椒盖１厘米，黄瓜１．５厘米；播种后出苗前，床面覆盖地膜，保持土壤湿润。如出现“顶盖”，用手指轻轻将其敲碎，然后喷水；如出现“戴帽苗”... Prevention and treatment of vegetable abnormal seedlings Caps and hats. The reason is bed dry, overburden too thin. Control measures: Seedling bed water to be poured foot, covering soil thickness appropriate. Eggplant, pepper covered 1 cm, cucumber 1.5 cm; sowing before emergence, the bed covered with plastic film to keep the soil moist. Such as the emergence of “roof”, gently knock it with your fingers, and then sprayed water;