大棚芹菜种植注意事项?

2025-03-14 05:28:06
推荐回答(1个)
回答1:

从水肥气热四个方面入手
保持土壤湿润,不能积水,这就需要做大畦子,既能控水又便于浇水
平衡施肥,不要偏施氮肥,多用有机肥
多通风,透光,合理控制密度
保持温度17--25度左右
芹菜播种时期的弹性很大,主要是根据市场需求和定植时间进行安排,南方地区下半年的秋冬芹菜从6月下旬至10月下旬均可播种。秋芹菜播种安排在处暑(8月下旬)至白露(9月上旬);冬芹菜播种安排在秋分(9月下旬)至霜降(10月下旬)。早秋芹菜的市场价格比较好,所以可将播期适当提前,最早可安排在6月下旬,一般在9月中、下旬即可上市。 
幼苗定植后,每天早晚应浇水浸苗,促其成活。定植成活后应勤施粪水,保持土壤湿润。在封行前,浅中耕2~3次。在高温干旱季节,生长前期应在大棚上或小拱棚上覆盖遮阳网或者搭架盖毛串遮阴。芹菜需肥量大,但根系吸收能力较弱,故应结合浇水,适时追肥,一般追肥2~3次,每次追肥每亩施尿素5~8千克,把握淡肥勤施原则,确保养分的均衡供应。 

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