植物烂根怎么办
植物烂根怎么办?造成花卉植株烂根的原因有很多,主要有:
(1)盆土粘重:土壤易板结,盆土表面干结发白,但盆土内部并没有干透,表面上似乎缺水,但此时浇水易引起土壤过湿而导致根系生长不良甚至烂根。
(2)浇水过多:浇水过多易造成根系缺氧,水分占据大部分的土壤空隙,造成根系周围氧气含量减少,使植株呼吸困难,最终导致根系腐烂,植物萎蔫死亡。
(3)水温土温不一致:浇水的水温比土温低很多时,会引起根系生理失调,导致植株烂根死亡。
(4)施肥不当:施肥浓度过大或施用了未腐熟的肥料,都会引起植株烂根,前者是因为浓肥“烧根”,后者是因为未腐熟的肥料在土壤中发酵而产生热量“烧根”。
(5)根部修剪不当:根部呈肉质的花卉在分株时,常要分割根部;还有一些花卉在换盆时也要把过长、过老、过密的根系剪除,重新种植后也会出现根部剪口因感染病菌不能愈合而导致烂根的现象,以上就是关于植物烂根怎么办的介绍。
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