Method for controlling apple pests by attracting and breeding natural enemies through mixed grass growing in apple orchard in plateau area

According to the method for controlling apple pests by attracting and breeding natural enemies through mixed grass growing in the plateau region apple orchard, the characteristics that plants in a traditional orchard are single and the vegetation ecological structure is fragile are improved, grass seed breeding is specially conducted according to the characteristics of the plateau region orchard, and the mixed grass growing can well adapt to the soil water quality of the plateau region; the richness and functional diversity of microbial communities in the orchard are obviously improved, natural enemies of apple pests are attracted by mixed grass to breed in the introduced mixed grass, the use of chemical pesticides is reduced, the production cost and weeding cost are reduced, the fruit quality is greatly improved, and the economic benefits of the orchard are greatly improved. 本发明的一种高原地区苹果园混合生草吸引繁育天敌防治苹果害虫的方法，改善了传统果园植物单一，植被生态结构脆弱的特点，专门针对高原地区果园特性进行草种选育，混合生草可以很好适应高原地区土壤水质，果园内微生物群落的丰富度和功能多样性明显提高，通过混合生草吸引苹果害虫的天敌在引