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土豆怎么样才能发芽

更新时间: 2020-09-18 00:00:00     

切块催芽:催芽播种是一项有效的增产措施,可使马铃薯苗齐、苗全、苗壮,提高产量。催芽在播种前15—20天进行,一般每公斤种薯可切50块,每个切块至少有1个芽眼,块重25克左右;切块时充分利用顶端优势,尽量带顶芽,以保证出苗整齐,特别要注意剔除杂种或病薯。切块刀口凉干愈合后,堆于15—20℃条件下催芽或放在背风向阳的阳畦内催芽,一般每平方米可层积50公斤左右,盖塑料薄膜以利增温保湿,白天增加光照,夜间加盖草苫。

关键词: 土豆 怎么样 才能 发芽

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