果园覆草是利用杂草、树叶、作物秸秆、地膜等覆盖在果园中,起增进肥力、稳定地温、保水灭草、防冻、增加土壤有机质含量,提高果实品质的作用,是果园土壤管理的一项良好措施。但由于落叶、病虫果清理不净,极易造成潜叶蛾,尤其是金纹细蛾的危害。调查表明,连续覆 Orchard mulching is the use of weeds, leaves, crop straws, mulching and other cover in the orchard, play an increasing role of fertility, temperature stability, water and weed control, antifreeze, increase soil organic matter content and improve the quality of the fruit, orchard soil management A good measure. However, due to deciduous leaves and pests clean fruit net, can easily lead to leaf moths, especially gold moth damage. Investigation shows that continuous coverage