蔬菜育苗是保证丰产丰收的重要环节,也是蔬菜早熟、高产、优质的基础。在育苗过程中要注意预防以下几种情况的发生。一防不出苗。播种后因种子质量差、病菌侵染、水分过多或过少、长期低温等原因,导致种子霉烂,幼芽干枯,长期不出苗。预防措施:进行种子发芽试验,选用发芽率高的种子,备用的种子必须消毒后再播种,合理控制温湿度,保证苗全苗齐。二防“顶壳”苗。种子虽然能发芽 Vegetable nursery is to ensure an important part of the bumper harvest, but also vegetables premature, high yield, high quality foundation. In the process of nursery should pay attention to prevent the occurrence of the following situations. One can not prevent sprouting Sowing due to poor seed quality, germ infection, excessive water or too little, long-term low temperature and other reasons, leading to mildew seeds, shoots dry, long-term seedlings. Preventive measures: seed germination test, the use of high germination rate of seeds, spare seeds must be disinfected and then sowing, reasonable control of temperature and humidity, to ensure that the whole seedlings Miao Qi. Two anti- “top shell ” Miao. Although the seeds can germinate