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新从市场购得的杜鹃花一般长势良好,花大色艳,而莳养数年后,反而色渐退,甚至连续几年不开花,原因何在?可从以下6个方面去检查: 一、购得以后,是否进行过翻盆换土?杜鹃花根系发达,而市场购得的植株一般用盆较小,这样数年之后,根系布满全盆,不仅生长受阻,而且养料渐减,势必造成枝短叶黄而小,一般都不能孕蕾,当然也就无花了。二、翻盆时用的盆土是否适宜?用盆是否恰当?杜鹃花用泥,以透水性和保水性都比较好的针叶土(亦称山泥)种植为好(可以在各地花店购得),园田土的渗水性
New rhododendrons bought from the market generally grow well, spend big color Yan, and raising a few years later, but the color gradually recede, and even for several years without flowering, the reason? From the following six aspects to check: First, After the purchase, whether carried out turning pots for earth? Rhododendron roots developed, and the market generally use pots smaller plants, so a few years later, the root covered with a full basin, not only the growth of obstruction, and nutrient reduction, is bound to Cause the branches short yellow leaves and small, generally can not pregnant bud, of course, no flowers. Second, the basin when used basin basin is appropriate? Basin appropriate? Rhododendron with mud, water permeability and water retention are better coniferous soil (also known as mud) planting as well (can be spent in the florist Purchased), garden soil permeability