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围场县地处省内最北部的寒冷地区。全县按地势可分为坝上高原和坝下山地两个不同气候区。果树多分布在坝下区,梨树品种以耐寒中小型种类为主,品种结构单一。为改善梨树品种结构,满足人们生活需求,笔者于1996年从黑龙江省牡丹江农科所引进了抗寒优质的大果型梨树新品种——东宁5号大梨进行了试种,试栽地在山湾子多半壁山村砚军果园。
Weichang County is located in the northern part of the province’s cold areas. The county by topography can be divided into dam plateau and dam under the mountain two different climatic zones. Fruit trees are mostly distributed in the area under the dam. Pear varieties are dominated by small and medium-sized hardy varieties with a single species structure. In order to improve the structure of pear varieties and meet the needs of people’s life, in 1996, the author introduced a new winter pear variety Dongning No.5 from cold-resistant high-quality pear in Mudanjiang, Heilongjiang Province. Planted in the Bay Hill most of the village wall inkstone orchard.