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山药几月份种植
更新时间: 2020-10-12 00:00:00  

一般于2月底3月初选用无病小块茎切成5到6cm小段,每段30到35g 或者山药苗取长15cm掰下留种。种苗先用50到55℃温水浸泡10分钟,结合用1000倍液的甲基异柳磷处理,再于切口处蘸上石灰粉,晾晒2到3天,待切口愈合后择地势高燥、背风向 阳,且无短体线虫病污染源的地方建床催芽。坚持先催种段后催龙头,顺向摆放,分开催芽。一般每床下种4到5层,一层种苗一层湿润细砂,上铺地膜后,再搭架盖膜。待幼芽萌生1cm左右时即可在开过沟的地里拉线定距、顺行栽植。 适期精细移栽当5cm土层地温稳定通过9到10℃时择晴天移栽长江、淮河流域可于4 月上旬,北方适当推迟。

关键词: 山药 月份 种植

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