[:en]When the white palm blooms, it’s like a white flag standing there. So white palm is very beautiful after flowering. This is a kind of plant that many people like to stay at home. Then, why are the leaves black?
Generally speaking, if yellow leaves appear in your white palms, it may be due to poor ventilation, iron deficiency or normal aging of plants.
If it is caused by poor ventilation, it needs good ventilation. In case of iron deficiency, ferrous sulfate solution can be sprayed or irrigated with root.
So, what causes the leaves of white palms to turn black?
The first reason is too much water. Many flower lovers water white palms every few days, but watering white palms also depends on the dryness and wetness of the pot soil.
Generally speaking, the water should be dried and watered thoroughly. In addition, if you stay indoors, the air circulation in your home is very small, and the bottom of the flowerpot is prone to water accumulation.
Root rot is easy to occur if water is not collected carefully. At this time, the plant can be removed from the flowerpot, and then placed in a cool place to dry, and then placed on the flowerpot.
If you don’t know when to water the flowers, you can judge by weighing the flowerpot. The more water there is in the flowerpot, the heavier the flowerpot is, which is easy to judge.
Another reason is fertilization and root burning. When applying fertilizer, some flower lovers can’t control the concentration of fertilizer, so they apply thick fertilizer to it, causing the root to burn.
When this happens, it should be diluted with water, or it should be turned directly into pots and soil. In the process of fertilization, it is better to apply less times to avoid excessive or excessive fertilization at one time.
These two are the main reasons why the leaves of white palm turn black, and the other is because the light is too strong or lack of light, so flower lovers can make it grow in the place where the light is scattered according to the light conditions at home.[:zh]白掌開花後，它就像壹面白色的小旗停在那裏。所以白掌開花後非常美麗。這是壹種許多人喜歡留在家裏的植物。那麽，白掌為什麽樹葉是黑色的？
壹般來說，如果黃色葉子出現在妳家的白掌裏，可能是由於通風不良、缺鐵或植物正常老化。
如果它是由通風不良引起的，它需要良好的通風。如果是缺鐵，可以噴灑硫酸亞鐵溶液或用根澆灌。
那麽，是什麽導致白掌的葉子變黑？
第壹個原因是水太多。許多花卉愛好者每隔幾天澆水白掌壹次，但是澆水白掌也取決於盆土的幹濕程度。
壹般來說，應該按照徹底幹燥和澆水的方法澆水。此外，如果妳保持在室內，妳家的空氣循環非常小，花盆底部容易積水。
如果不小心積水，根腐病很容易發生。這時，植物可以從花盆上取下，然後放在陰涼的地方晾幹，然後再放在花盆上。
如果妳不知道什麽時候澆花，妳可以通過稱花盆來判斷。花盆裏的水越多，花盆就越重，這很容易判斷。
另壹個原因是施肥和燒根。施肥時白掌，壹些花卉愛好者無法掌握肥料的濃度，因此向其施稠肥，導致根部燃燒。
當這種情況發生時，應該用水稀釋它，或者應該直接把它變成罐子和土壤。施肥過程中，最好少施幾次，避免壹次施肥過多或施肥過多。
這兩個是白掌樹葉變黑的主要原因，另壹個也是因為光線太強或缺乏光線，所以花卉愛好者可以根據家中的光線條件讓它在散光的地方生長。[:]