北方如何把浇花用水酸化处理?
北方如何把浇花用水酸化处理?从我国陆地水的分布来看,南方多是酸性水,北方多是碱性水,因此,我国北方碱性水地区,浇灌盆花必须进行处理,使浇花的水呈微酸性。盆栽花卉用水的酸化处理法很多:
(1)发酵淘米水。将头道洗米水放入容器中,经过3天即可发酵,成为发酵的淘米水。这种水是酸性的,用它来浇盆花,不会使盆土盐碱化,而且还有一定的肥效。一般盆花经常用它浇灌可不另施肥料,也能生长良好。一些喜酸性水的盆花,如君子兰、杜鹃、山茶、佛手、玳玳、五针松、九里香等,经常用淘米水浇灌,再适当加入肥料,则生长更好。
(2)矾性水。硫酸亚铁亦称绿矾。在自来水中加人少量的硫酸亚铁,即成矾性水。亦可将粉碎的硫酸亚铁撒在盆土表层,然后浇水。这种水呈微黄色,呈酸性。经过这样处理的水,可解决盆土盐碱化问题,有利于花卉生长。对于缺铁的盆土,还有补充铁离子的作用,特别是对由于缺铁造成的缺素症,有良好的治疗效果。但是如果长期用矾性水浇花,也会使土中的铁离子积累过多,而影响根的吸收,使盆花不能很好生长。因此,10~15天浇一次是比较适当的,冬季更应少浇。
(3)醋酸水。水中加入少量的食用醋,即为醋酸水。水中加醋的数量可参照硫酸亚铁。事实证明,凡是使用醋酸水浇盆花的,其效果良好,没有发现有什么副作用。
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