屋顶养花应注意哪些事项?
在屋顶种花与在庭院和阳台养花均有所不同。屋顶因昼夜温差大,越冬花卉容易遭受冻害,而夏季气温酷热,对花卉生长不利,因此应准备一些设备,如夏季防高温日晒搭盖凉棚,冬季防寒冷覆盖地膜。
①屋顶上四周没有遮挡,阳光较强,所选择花卉,应属喜光性的,如月季、香石竹、茉莉等。
②屋顶风较地面大,不适合树冠高大的植物;又加之其土壤或介质物较浅,不适合深根性的花卉生长。
③屋顶水分蒸发快,易于旱,应选择耐干燥的花卉品种如月季、海石榴、夹竹桃、天竺葵等。同时屋顶应装有自来水管和贮水设备,平时浇水也应比地面勤。
④要有贮存肥料的水泥槽或缸数个并附有盖子,以备有机肥发酵或化肥调配使用。
⑤四周要有围栏等安全设备。
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