1. Frequency
There is no definite standard for this. We can adjust the frequency according to the specific growth of the plant. Generally speaking, every two to three years is enough p>
2. Specific steps
(1) Water control: This is a necessary step before changing the basin. The basin can be changed only after water control. Do not water in the short term. Wait until the basin soil is relatively dry (generally semi dry) p>
(2) Soil replacement: replace the old soil in the basin with new soil. However, it should be noted that the soil can not be replaced completely, but only part of it can be replaced. Generally, in order to ensure the normal growth of plants, we can replace about half p>
(3) Treatment of plants: changing pots is not only for the soil, but also for the plants themselves, mainly pruning. For those old roots and those that have died after illness, we should cut them off and mainly leave the new roots p>
(4) Some fertilizer can be used in the newly placed soil, which is to promote the plant to adapt to the new environment faster. However, don't put too much fertilizer, or the root of the plant will be hurt p>
(5) After replacement, compact the soil. Then, water it thoroughly. Be sure to water it thoroughly. In addition, attention should be paid not to irradiate plants with too strong light, and appropriate shading measures should be taken p>