近年来,瓜果、蔬菜、花卉等具有重要经济价值的作物面积迅速扩大,保护地生产面积不断增加,设施农业高密度栽培及在同一块土地上连年种植同一种作物,均有利于土传病害病原菌的积累、生长和繁殖。这类病害如果不及时加以控制,会造成严重减产或降低产品质量,甚至造成绝收。土壤消 In recent years, the area of ​​crops with important economic value such as fruits, vegetables and flowers has rapidly expanded, and the production area of ​​protected areas has been constantly increasing. The high-density cultivation of agricultural facilities and the cultivation of the same crops in the same land in successive years are conducive to soil-borne diseases Pathogen accumulation, growth and reproduction. If not timely control of such diseases, will result in serious cuts in production or reduce product quality, and even cause absolute failure. Soil consumption