花卉出室前怎样管理?
出室是盆栽花木经室内过冬后移入室外养护,以进入正常生长期的一项措施。
①出室前,须使花木有逐渐适应室外环境的过程。缩短室内加温时间,开窗通风,增加光照,使室内与室外温度一致,出室前1周,晚上也应将窗户打开。
②出室前减少浇水量,并少施氮肥,以促使枝叶老熟强健,避免生长过分茂盛,出房后不易适应新环境。
③也可初时仅中午出室,以后逐渐增加出室时间直到完全出室,喜阴花木置半阴处,避免阳光直射。
不同花木宜分批进行,2月末、3月初,选择适应性强、能抗寒的花木,如梅花、腊梅、月季等早出室;3月中旬以后,可在无风天,将耐中温的花木,如苏铁、棕榈、山茶等在中午出室置向阳处2~4小时,15~20天后,当气温稳定在15℃时,即可全放室外正常管理。米兰、茉莉、白兰等喜高温花卉可在18℃时出室。
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