夏季浇水应注意哪些问题?
夏季浇水应注意哪些问题?由于夏季炎热,盆花水分散失快,浇水成为盆花管理的重要工作之一。为满足盆花的水分需要,又不因浇水时间和方法不当影响花卉的生长和欣赏,浇水时应注意以下五个问题:
(1)忌浇晴午水。夏季中午酷热,盆土和花株温度都很高,若在此时浇水,花盆内骤然降温,会破坏植株水分代谢的平衡,使根系受损,造成花株萎蔫,影响正常的生长,使观赏价值大大降低。因而,盆花夏季浇水应在清晨或傍晚进行。
(2)忌浇半截水。夏季花浇水要浇透,若每次浇水都不浇透,浇水虽勤,同样会因吸收不到水分而影响正常生长。长期浇半截水,还会导致根系部分土壤板结,不透气而闷死,或因根系干枯而导致整株死亡。
(3)忌浇漏盆花。盆花浇水要恰到好处,浇到盆底根系能吸收到水分为佳。若每次都浇漏盆水,会使盆内养分顺水漏走,导致花株因缺养分而萎黄。为了恰到好处地浇水,可分次慢浇,不透再浇,浇透为止。
(4)忌浇漫灌水。若因走亲访友,或出差旅游,造成盆花过于失水而萎蔫,回来后,也不可立刻漫灌大水。因为这种做法会使植物细胞壁迅速膨胀,造成细胞破裂,严重影响盆花的正常生长。正确的做法是对过于干旱的盆花进行叶面喷水,待因干旱萎黄的盆花恢复正常状态后,再循序渐进地浇水。
(5)忌浇连阴水。如果遇到连续阴雨天气,则应该停止给盆花浇水。因为哪怕是绵绵细雨,也能满足盆花的生理需要。若认为雨量过小而仍按常规给盆花浇水,往往会因盆土过湿而导致烂根,使整株花卉受重创或死亡。
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