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旱涝、高温日灼、风、肥力匮乏、病虫害、草害等各种自然灾害因子，不同程度地影响着果园生产。本文阐述了这些因子的发生特点及对果树的危害，分析了其危害规律，为提高果园管理水平，生产出高产优质果品，应采取的相应的技术措施，提供了理论指导
Droughts and floods, sunburn at high temperature, lack of wind and fertility, various natural disaster factors such as plant diseases and insect pests and grass weeds, affecting the production of orchards in varying degrees. In this paper, the characteristics of these factors and their harmfulness to fruit trees are expounded, and their harmfulness laws are analyzed. In order to improve the management level of orchards and produce high-yield and high-quality fruit products, the corresponding technical measures should be provided, providing theoretical guidance