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桦树的繁殖方法
更新时间: 2021-05-02 00:59:58  

1、扦插要注意温度、湿度、光照等因素的影响。适宜插穗生根的温度为 20~30 ℃,温度过高,易使剪口受到病菌侵染而腐烂;温度过低,新根难以萌发生长。

2、因此要时时注意采取保温、降温措施。温度偏高时,遮阴庇荫的同时还要及时对插穗进行喷雾,每日4~5次,要根据天气、温度、日照等条件,合理掌握喷雾次数;

3、定植后一年内分季节在树根茎周围挖环状或散射状营养沟进行施熟有机肥。除冬季外,每月施一次的钾肥以提高移栽苗的抗性,并促进枝干生长。

关键词: 桦树 繁殖 方法

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