Cause: the number of leaves caused by this situation is relatively small, and are all the old leaves at the base, the leaves will quickly become dry and white and fall off after turning yellow
Solution: if it is caused by normal metabolism, you can do nothing, just cut off the old yellow leaves.
Cause: in the cultivation of too dry or too partial waterlogging water, resulting in the root injury of the plant, the leaves will be yellow.
Solution: the frequency of watering should be adjusted in time, especially when the humidity is high enough, the lack of humidity will also cause the difference.
Cause: a long time of lack of fertilizer, or in a relatively short time to apply a large number of fertilizer, as well as fertilizer without decay, burning roots will also cause the phenomenon of yellow leaves.
Solution: if it is lack of fertilizer, you can change the soil for fertilization. If the amount of fertilizer is too large, you can wash it with water, or change the soil to reduce the content of fertilizer in the soil.
Cause: the sunlight is strong to cause the leaf to burn, then its leaf will also turn yellow.
Solution: need to put it in a cool place, you can choose the shade of the tree, so that you can improve the phenomenon of yellowing.