What should I do if lily leaves turn yellow

In order to add some potash fertilizer to the water, it can be eased a little, and it will be appreciated soon. Cut off old leaves.

1. There are many reasons why lily leaves turn yellow. If it is caused by improper watering, it needs scientific watering; If it is caused by improper fertilization, scientific fertilization is needed; If it is caused by iron deficiency, it is necessary to spray ferrous sulfate; If it is caused by pests and diseases, it needs to be sprayed in time.

2. That is, the yellowing caused by too frequent watering is mainly manifested in the yellowing of young leaves, while the old leaves have not changed significantly; At this time, it is good to control water in time.

3. Similar to the principle of water, it is the yellowing of leaves caused by excessive fertilizer, which is mainly manifested in the hypertrophy of young leaves, abnormal luster and protrusions on the surface; At this time, reduce fertilization or watering to dilute the fertilizer concentration.

4. In the performance of "fertilizer-deficient" yellow leaves, there is also a special situation that the iron content is insufficient, which is a reason why yellow leaves need more attention. Mainly on young leaves, it has little effect on old leaves, the mesophyll of diseased leaves turns yellow and the veins are grid-shaped; Spraying ferrous sulfate aqueous solution according to the ratio of cake fertilizer: ferrous sulfate: water (7: 5: 200) can effectively solve this situation.

5. In addition, diseases and insect pests are also important reasons for lily leaves to turn yellow.