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如何收割韭菜?

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2023-03-15 15:43
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正确答案

韭菜收割季节主要在春秋两季,每年收割次数多少根据植株生长势和施肥管理水平而定,一般4-6次为宜。当苗具有6-8片叶,高30cm时可收割。收割时留茬高度要适当,留茬过高影响产量和品质,过低损伤根茎。影响下刀和整个植株长势。一般头刀割口在葫芦头上4-5cm,以后每刀比上刀高出1cm左右。也可以按刀口颜色区分深浅,割口为白色说明割的过深,割口为绿色说明割的过浅,割口呈黄白色较为适宜。每次割后不宜马上浇水施肥,要及时清茬。用耙子把残叶杂物清除,耧平畦面。可以往根茎上撒些草木灰,不但能防治根蛆,避免苍蝇产卵,还能起到追肥作用。


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