Reason: the process of growth and maintenance of the red bean tree, can not be separated from the correct water and fertilizer applied. If the long-term lack of water and fertilizer, the plant's leaves naturally yellow. If you give too much water and fertilizer, the roots are difficult to bear, will also cause yellowing of the leaves.
Solution: control the watering and fertilization, according to the actual needs of the growth of water and fertilization, to meet the needs of good growth, when once the water and fertilizer is too much, it should be controlled to promote the drainage of stagnant water out of the pots of concentrated fertilizer should be diluted in part.
Second, the light is not right
Reason: breeding cedar need to provide appropriate light, long time no sunlight, if the shade can not photosynthesize, nutrients can not be synthesized properly, causing yellowing of the leaves. If the light is too strong, it will also lead to problems with the leaves, which will also cause yellowing of the leaves.
The solution: you can keep the plant in a bright light diffusion, long-term lack of light, need to gradually see the light, but also to avoid strong light.
Third, soil condensation
Reason: the red bean cedar raised a year or two without changing pots, it will cause soil condensation, affecting the normal growth, the leaves will be yellow.
Solution: The pot should be changed in time to provide the nutrients that should be on the growth.
Fourth, the temperature is not suitable
Reason: breeding the red bean tree should pay attention to the temperature, the temperature is too high or too low, the same will affect the leaves.
Solution: high temperature should be appropriate spray water to reduce the temperature, the temperature is too low should be moved indoor maintenance in a timely manner.