天阴大棚番茄可以喷雾食用醋吗

2025-04-03 12:14:13
推荐回答(1个)
回答1:

  天阴大棚番茄一般不喷雾食用醋,是使用叶面肥,番茄叶面施肥注意问题
  一、要根据番茄的生长情况确定叶面营养的种类。一般来讲,结果前期,植株生长比较旺盛,易徒长,应少用促进茎叶生长的叶面营养和氮肥。可以选用氨基酸肥、核苷酸肥或磷酸二氢钾、氮磷钾复合肥等。结果盛期,植株生长势开始衰弱,应多用促进茎叶生长的叶面肥,可选用芸薹素内酯或海藻素类肥料加含有多种微量元素的肥料或爱多收、核苷酸混300倍尿素一起喷用等。
  二、要根据天气情况确定营养的种类。连阴天气,光合作用差,大棚内光照不足,番茄叶面喷糖或含光合细菌的肥料及钛微肥料效果比较好。
  三、叶面及时喷施钙肥。番茄果实生长需要较多的钙,缺钙地区降雨量大,土壤供钙不足或大量冲施高钾高氮复合肥时,果实容易发生脐腐病。因此缺钙地区,在番茄结果期应喷施过磷酸钙、氨基酸钙、补钙灵等钙肥以满足番茄对钙素的需要。
  四、番茄叶面肥的时间要适宜,要在空气湿度较大的傍晚或阴天喷用。番茄叶面喷肥的适宜间隔期为5~7天,有机养分的喷施时间可适当短一些,一般5天左右为宜。
  五、叶面肥使用不当发生伤叶时,要用清水冲洗叶面,冲洗掉多余的肥料,并增加叶片的含水量,缓解叶片受害程度。土壤含水量不足时,还要进行浇水,增加植株体内的含水量,降低茎叶中的肥液浓度。
  六、叶面肥要喷洒叶背面为主,因番茄气孔、水孔多在叶背面,喷在背面的叶肥吸收率高,只喷正面效果不好。
  七、叶面喷肥只是基肥、追肥的辅助手段,是补充,不能代替基肥和追肥。

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