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北方王干戈树的种子怎么种植
更新时间: 2020-10-02 00:00:00  

北方王干戈树果实成熟后,随即播种,次春发芽。若将种子沙藏,次春播种前15天,在室外背风向阳处,另挖斜底坑,将沙藏于移至坑内,倾斜面向太阳,罩以塑料薄膜,利用阳光进行高温催芽,当种子百分之二十裂嘴时播种。也可在播种前1星期用45摄氏度温水浸种,自然冷却后2至3天捞出,装入筐篓或蒲包,盖上湿布,放在20至50摄氏度的温室催芽,当种子三分之二裂嘴时播种,一般4月中、下旬进行,条播或点播,种脐要平放,覆土2至15厘米。

关键词: 北方 干戈 种子 怎么 种植

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