If it is caused by too much water, it will cause the young leaves to turn yellow.
If it is due to drought, water shortage and dry yellow, will cause the whole plant yellow, serious will lead to its death, should add water in time
If it is too much fertilizer or too thick fertilizer that causes yellow fertilizer, it will lead to plump young leaves. It is necessary to limit the amount of fertilizer applied in a timely manner, carry out medium tillage, and control the amount of water.
If it is caused by insufficient fertilizer, too low fertilizer concentration or too long interval between two fertilizations, it will cause the young leaves to turn yellow first, so it is necessary to increase the fertilizer in a timely and reasonable manner, but it is important to remember when replenishing the fertilizer, not to increase too much fertilizer at one time, so as to avoid the consequences of root burn.
Diseases and insect pests can also cause the leaves of plants to turn yellow. When it is found that it may be infected, it is necessary to check its plants in time. When it is found that the infected plants, it is necessary to take decisive measures to wash the diseased plants and use fungicides.
If no infected plant is found, it may be the yellow leaves caused by the infection of the root part. You can irrigate it with appropriate sterilizing drugs to eliminate the diseases and pests in the root system.