天气预报 > 其他 > 为什么在花盆里放鸡蛋壳
为什么在花盆里放鸡蛋壳
更新时间: 2020-07-03 00:00:00  

目的是使蛋壳内残存的蛋清渗入土壤增加花卉养分,但这样对花卉生长不益。因为鸡蛋壳扣在花盆上,壳内残存的蛋清会流入盆土表层,发酵后产生热量,直接烧灼植物根部。同时蛋清发酵后会产生一种臭味,招引苍蝇生蛆,咬食根部,进而又易诱发病虫害的发生,影响花卉生长。残茶内含有茶碱、咖啡碱和其他生物碱,对土壤中有机质养分具有一种相对的破坏作用。同时残茶覆盖于盆面,日久天长会逐渐发酵霉烂,阻碍盆土透气,造成盆内缺氧,影响根部呼吸作用,对花卉生长不利。但是,经过沤制的鸡蛋壳,取其上清液作追肥用或将蛋壳焙干捣碎,施进盆土内,

关键词: 为什么 花盆 蛋壳

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