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沙培韭菜是简易无土栽培韭菜的方法，具有投资少、见效快、收益高、管理方便等优点，在家庭小院和室内教亩产可达万斤。选择两年以上露地韭菜根，整理成3—4株一撮，剪掉韭叶，留下短缩茎根栽到沙培床内。株行区33厘米。室内盆栽可密些，长定因地而定。为便于管理，可将沙培床?
Sha Pei leek is a simple soilless cultivation of leeks, with less investment, quick, high returns, easy management, etc., in the family yard and indoor teaching mu up to ten thousand pounds. Choose more than two years exposed leek root, sorted into 3-4 a pinch of plants, cut off leek leaves, leaving the shortened stem root planted into the sand bed. Zhu line area 33 cm. Indoor potted can be close, long may be set. For ease of management, sand bed can be?