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1.秋冬时节,绿叶相继跌下或下部叶卷曲凋萎,这表明盆土中水分滞留过多,应让盆土干燥一些。2.叶尖呈棕色,不久下部叶逐渐凋萎,这表明盆土中水分不足。应迅速浇水。3.叶片生长旺盛却极少开花,茎的节间伸长,叶片变长,新叶较小,表明氮肥施得过多,应增施磷钾肥。4.夏日叶片下卷发黄而逐渐脱落,表明光照过强,应适当遮荫。
1. autumn and winter season, the green leaves have fallen or the lower part of the leaf curly wilt, indicating that too much water retention in the basin of soil, basin soil should be allowed to dry some. 2. The leaf tip is brown, and the lower leaves gradually wilt soon, indicating that there is insufficient water in the basin soil. Should be promptly watering. 3. Leaf growth is vigorous but seldom flowering, stem internode elongation, leaf longer, smaller new leaves, indicating that nitrogen fertilizer too much, should be increased phosphorus and potassium fertilizers. 4. Summer leaves under the yellow and gradually fall off, indicating that light is too strong, should be appropriate shade.