盆栽花卉怎样排水?
土壤含水量过多,土中空气相对减少,因而影响根系的呼吸作用及对水分、养分的吸收,同时嫌气性细菌活动增加,以致产生有毒气体毒害根系,此时无论是盆栽花卉,还是露地花卉都要排水。
盆栽花卉的排水方法是:花盆的底孔要用2块小瓦片相错叠放在一起,使花盆底孔处有较大空隙,然后再在上面撒一层碎砖、石砾(填于花盆底部约l厘米厚),并在定植花卉的培养土中掺入一定比例的粗沙。这样经过铺设排水层的花盆,底孔疏松,可把盆土内多余的水分及时排出。
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