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核桃苗怎样过冬
更新时间: 2020-10-24 00:00:00  

核桃树落叶后,在11月中旬至12月上旬,可进行以下防寒措施: 1.核桃树埋土防寒:对露地不能安全越冬的1到2年生幼树,将整个树体向一侧弯曲,覆土。 2.培土防寒:在苗木基部30厘米的范围内培一土堆,以防冻伤根茎及嫁接口。在来年春季气温回升且稳定后去掉,整平树盘。 3.涂白防寒:幼树涂白可缓解树干阴阳面的温差,防寒效果较好,可在土壤封冻前涂抹。4.聚乙烯醇涂干:用熬制好的聚乙烯醇将苗木主干均匀涂刷。

关键词: 核桃 怎样 过冬

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