When the amount of fertilization exceeds the range that the plant can bear, it may cause damage to the roots of flowers, which is shown in the basin soil, that is, the leaves of flowers appear yellow leaves and lose luster.
Solution: stop fertilizing immediately and water a lot. If it is serious, it is recommended to replace all soil directly, including the root soil, but do not hurt the root system.
The above mentioned is that excessive fertilization will lead to yellow leaves. Similarly, the amount of fertilization is too small, the fertilizer is not available, the nutrition is not available, or the nutrient loss is too severe, the plant does not get any nutrients, and the leaves will turn yellow.
Solution: fertilize with water, the soil can be more fertile sandy soil, appropriate amount of alum fertilizer water.
If plants are allowed to grow in dark environment for a long time, their leaves will turn yellow.
Solution: if you can't change the position of the plant, move the plant to the sunshine place for at least a few hours every day, but you should pay attention to shade and prevent direct sunlight. The sunshine in the morning and in the evening is most suitable, or move it directly to the place with bright light.
If the root system has been growing in water or too wet soil for a long time, it will make the plant unable to breathe, which will cause its leaves to turn yellow.
Solution: when watering, pay attention to its seepage, and ensure that the soil layer in the basin is evenly poured through.
