土壤对花卉有何重要性?
土壤对花卉植物的作用主要有两个方面,一是固定植株,使它们有所依附;二是供给水分、养分和空气。土质的好坏、土壤的酸碱度及土壤的肥沃程度都将对花卉产生很大影响。
花卉大多喜欢疏松肥沃、透气透水性好、有机质丰富的中性或偏酸性土壤。如果土壤理化性状恶化,通气透水性差,营养元素缺乏,保水保肥能力差,将导致花卉生长不良,叶黄脱落,不开花或开花少、花形小,甚至死亡。
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