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本文介绍了近年来甜菜露地越冬采种区种根冻害发生情况,分析并指出除气象因子外,影响种株安全越冬的主要因子有移栽种根的大小、移栽时间、栽植方式及越冬防寒措施.一般苗令40天左右,叶片18—25柄,根重50—300克的母根移为栽宜,9月底至10月中移栽移栽后长出3—5片新叶越冬较安全,栽植方式一般采用深沟浅栽,平地深栽以及二次复土法.
In this paper, we introduced the occurrence of winter frost damage in sugar beet overwintering planting areas in recent years, analyzed and pointed out that the main factors that affect the safety of overwintering species are the size of transplanted roots, transplanting time, planting methods and overwintering frost measures except meteorological factors General Miao Ling about 40 days, leaves 18-25 handle, the root weight of 50-300 grams of the mother root planted as a planted, from the end of September to October in the transplanting transplanted grow 3-5 new leaves overwinter safer Planting methods generally use shallow ditch shallow planter, deep planted and the second re-soil method.