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Position: Home > Articles > Discussion about the Prediction of Damages Caused by Early Frosts to Young Apple Trees Agricultural Research in the Arid Areas 1985 (3) 19-26

预测苹果幼树早霜冻害的探讨

作者：

江育杞;李崇阳;杨晓洁;陈朝勋

单位：

宁夏农学院

摘要：

我区自五十年代初引种苹果以来,发现“冻旱”(2—3月)危害幼树越冬,造成“抽条”死亡。以后,又相继发现早霜冻(即深秋冻,9月底—10月上旬)、仲冬冻(11月中旬)、深冬冻(12月—1月)和晚霜冻(即春霜冻,4月下旬—5月中旬)等多种类型的冻害。特别是近年在1981年出现的严重早霜冻害,使成批的幼令苹果园和

译名：

Discussion about the Prediction of Damages Caused by Early Frosts to Young Apple Trees

作者：

Jiang Yuqi;Li Chenyang;Yang Xiaojie(Ningxia Agricultural college)Chen Chaoxun(Yongning weather Station of Ningxia)

摘要：

This paper deals separately with various weather factors,dates ofpossible frozen damages and correlation between degree of temperaturefalling and frozen grades by using weather records from 1951 to 1983of Yongning County Weather station in Ningxia.As a result,threekinds of multivariate linear regression equations have been establishedby using different weather factors in different periods in closecorrelation as the self variables-i,e.predicting model of Dates,Temperature and Grades.After having been tested,all of them wereright.The historical fitting rates were 85%,78% and 100% res-pectively,which were right in forcasting wheather in 1984.Therefore,this is one of easy predicting methods at present.

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预测苹果幼树早霜冻害的探讨

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干旱地区农业研究

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