蔬菜育苗防病技术冬春季节在大棚内进行蔬菜育苗，苗床因温度低，光照不足；通风不良，湿度大而会导致育苗失败。下面介绍防治技术以预防失败：一、选用无菌床土蔬菜育苗时，使用比较肥沃的、连续５年未种过茄果类、瓜类及十字花科蔬菜的大田土壤作床上，土质以沙壤为好，... Vegetable nursery disease prevention technology Winter and spring seasons in the greenhouse nursery vegetables, seedbed due to low temperature, lack of light; poor ventilation, humidity and lead to nursery failure. The following describes the prevention and treatment technology to prevent failure: First, the use of sterile soil bed when nurturing vegetables, the use of more fertile, for 5 years not planted solanaceous, melon and cruciferous vegetables in the field of soil for bed, soil to sand Soil is good, ...