河北省鸭梨栽培面积广,历史久,以滹沱河故道的沙荒地区栽培较多。沙地鸭梨园较普遍的存在着树势弱,产量低的现象。这虽然与果园的管理有关,但鸭梨园土壤肥力对产量也有很大影响。了解并掌握沙地鸭梨园土壤肥力特性对鸭梨生育的影响,对制订 Hebei pear cultivation area, a long history, to Hutuohe old sand desert more cultivation. Pear orchards in the sand are more common in the phenomenon of weak bark, low yield. Although this is related to the orchard management, the soil fertility of the pear orchard also has a great impact on the yield. To understand and grasp the sand pear garden orchard fertility characteristics of pear breeding, to formulate