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韭菜怎么样养根能让韭菜根变粗
更新时间: 2020-08-18 00:00:00  

1、肥水管理。在韭菜迅速生长之前,应进行一次重追肥,每667平方米追施腐熟豆饼300至500千克。追肥时用竹竿从行间把韭菜拨向两侧,露出行间地面,开小沟,内撒放豆饼,然后盖土。施肥后浇一次大水;

2、停割防倒。韭菜养根期间停止收割,停割后韭菜生长快易倒伏,田间隐蔽后,常发生病害烂叶状况,因此,要在韭菜畦两边支架,畦内拉铁丝以防韭菜倒伏,这样有利于田间通风透光,保持韭菜旺盛的光合作用,促进韭菜生长,减少病虫害发生;

3、病虫防治。韭菜养根期间要注意病虫害防治,主要病害是韭菜疫病和灰霉病,高温多湿是发病的主要原因,虫害主要是韮蛆、蓟马等,可适当使用一些药物进行控制。

关键词: 韭菜 怎么样

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