Cause: too much watering leads to poor respiration of roots, which leads to rotten roots. The roots are rotten, and the leaves naturally turn yellow and fall
Solution: if there is too much water, drain it in time. At the same time, after the control of the amount of water, when the soil is dry, it can be watered once.
Reason: excessive or no fertilization may cause yellow leaves and fallen leaves, to control the amount of fertilizer.
Solution: if fertilization is too little, topdressing can be carried out, which can slowly improve the yellowing of leaves. If too much fertilizer is applied, it will be more troublesome. First, remove the banyan from the basin, check whether there is burn on the root, and if so, deal with the root. Second, we need to change the pot soil, reduce the amount of fertilizer, and do not water when fertilizing.
Cause: there are many reasons for rotten roots, in addition to over watering and over fertilization, there may be diseases and insect pests.
Solution: first remove the plant from the flowerpot and cut the rotten root. Then check whether there are signs of diseases and insect pests, if not, use the sterilized basin soil to replant. If there is any, the medicine shall be applied according to the disease situation and the type of pests. Suitable pesticides can be used for pest control. In addition, rotten roots and sick leaves should be burned in time.
Cause: the temperature difference between day and night is the main reason for the loss of leaves and even death of banyan trees. Generally, the temperature difference should not be greater than 10 ℃.
Solution: in general, the temperature difference between day and night in summer is easy to be large. At this time, place the banyan in a cool and ventilated place to avoid exposure to the sun. At the same time, water the blades and the ground, which can effectively cool down. Pay attention to keeping warm at night. You can move into the room.
