新疆居歐亞大陸的最中心,北緯32—42°,不论南疆、北疆,冬季絕對最低溫均在-25℃以下,一月份的平均低溫-23℃ ;自治區內的果樹,無不受到冻害的威脅,例如:1952年解放不久,伊犁自治州正當土改前後,地主控制下的果园,因放弃經營。在冬季寒流襲擊下,許多成年的苹果園都全株枯死。留下的一些中、 Xinjiang is the center of Eurasia, latitude 32-42 ° north, both in southern and northern Xinjiang, the absolute minimum temperature in winter are below -25 ℃, the average January low -23 ℃; fruit trees in the autonomous region, all without exception Frost damage threats, for example: Shortly after the liberation in 1952, before and after proper land reform in Yili Autonomous Prefecture, the orchard under the landlord’s control was abandoned. Under the winter cold currents, many adult apple orchards die completely. Some left behind,