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筆直的國槐苗是如何培育的

來源:國槐當前欄目:國槐知識日期:2020-11-20 11:21:54瀏覽量:

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筆直的國槐苗是如何培育的

一、選用良種寬行稀播

育大苗要選擇土壤比較肥沃深厚的耕地,下種前施足底肥,澆水翻耕耙耱。國槐種子一般蟲籽秕籽小粒籽較多,處理前先要進行風選去雜,然后用清水浸泡撈出上面的不良種子。再用溫水泡透撈出催芽,約有三分之一的種子露白即可下種。播種多采用大田條播,按行距0.5米或1米寬度小犁開溝,人工點籽撒播,然后耙耱覆土,每畝用種量約5公斤。

二、加強苗期管理

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筆直的國槐苗是如何培育的

三、平茬和移植

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四、繼續加強土、肥、水管理

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