承德市位于河北省东北部,是温带落叶果树栽培区域北限的边缘,其海拔、气候、土壤等生态条件有利于苹果的生长发育,全市2万公顷苹果园,绝大多数分布在荒山、山地,无灌溉条件,同时又受辽西干旱区的影响,导致十年九旱,一年两旱,严重制约着苹果的正常生长发育,使果品产量和质量低,不能发挥出 Chengde City is located in northeastern Hebei Province, is temperate deciduous fruit cultivation area of ​​the northern limit of the edge of its elevation, climate, soil and other ecological conditions conducive to the growth of apples, the city 20,000 hectares of apple orchards, the vast majority distributed in barren hills, mountains, Irrigation conditions, but also affected by the impact of arid areas in western Liaoning, resulting in nine drought ten years, one drought two years, seriously restricting the normal growth and development of apples, fruit production and quality is low, can not play