冬季在保护地内进行蔬菜育苗时,常因环境不适宜而导致病害大发生,如病害防治不到位,常会造成不可挽救的损失。下面,介绍一下生产上几种常用的技术措施。一、床土消毒。为防止土壤带菌传病,床土应选择5年内未种过同科蔬菜的大田壤土,忌用菜园土。与之混配的有机肥一定要经过高温发酵处理, Winter nursery vegetables in the protected area, often due to the environment is not suitable for causing disease occurs, such as disease prevention and control are not in place, often resulting in irreparable damage. Here, introduce several common technical measures in production. First, bed soil disinfection. In order to prevent soil-borne diseases, bed soil should be selected within 5 years have not been planted with the same field of vegetable loam, avoid using garden soil. Mixed with the organic fertilizer must go through high-temperature fermentation treatment,