Cause: if the usual amount of water is relatively large, the basin will easily generate water, which will cause damage to its roots and no way to absorb nutrients, so the leaves will turn yellow because they can't absorb nutrients.
Solution: loosen the soil properly and place it in a well ventilated place. At ordinary times when watering to control a good quantity, can't water a large number of water.
Reason: Swallow palm doesn't need long sunshine. If it is exposed to sunlight all day, it will cause nutrient loss and leaves will turn yellow.
Solution: at this time, it can be placed indoors in a sunny and ventilated place, three days a week in the outdoor, only need to bask in the sun sooner or later every day.
Reason: if long-term in the shade of the environment will make its leaves yellow, but also the phenomenon of falling leaves.
Solution: put it in a well ventilated place, not only conducive to its growth, but also to reduce the probability of its occurrence of pests.
Cause: heavy clay basin soil drainage and exhaust are very poor, water can not be discharged, which will make the leaves yellow.
Solution: appropriate loose soil can make basin soil better drainage, air permeability will also be better, the phenomenon of yellow leaves will be greatly improved
