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胡萝卜为什么发苦
更新时间: 2020-06-28 00:00:00  

胡萝卜味苦是在生长发育过程中天气炎热或施用氮肥过多而磷钾肥不足时引起的。

预防措施:

1、选择土层深厚的地块种植,并深耕细耙;

3、重施有机肥,每667平方米可施入腐熟的人畜粪肥1500到2000千克作基肥,适当增施磷钾肥,同时结合培土,防止单一施用氮肥,对连年出现空心的地块每667平方米可施入硼酸或硼砂0.5到1千克,并在直根膨大期用0.2%到0.5%的硼酸或硼砂溶液喷施叶面,每3到4天喷1次,共喷4次,严禁后期施用尿素,萝卜膨大期后如施用尿素导致萝卜不耐贮运而

关键词: 胡萝卜 为什么

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