What happened to the yellow leaves of Magnolia?

1. Lack of light

1. Reason: most of the orchids are kept indoors. If it is kept in a position that lacks sunlight for a long time, its leaves will be unable to synthesize nutrients and turn yellow.

2. How to deal with it: move it directly to a good position of other light to raise it, or use fluorescent lamps to make up for it. It will recover soon.

Second, root rot

1. Reason: if it is not properly maintained, too much water is poured into the flower soil, or too much flower fertilizer is applied, it may cause its roots to fester, and then lead to the phenomenon of yellow leaves.

2. Treatment: first of all, the root should be cut, that is, all the rotten roots on the root should be cut off. Then it needs to be rooted, that is, it is planted in a new soft flower soil, and then the water is controlled until the root system grows again.

Third, the flower soil is alkaline.

1, reason: it is suitable to grow in slightly acidic flower soil, if the PH is too high, so that it can not adapt, it will also lead to yellow leaves.

2. treatment method: apply some acidic flower fertilizer which is suitable for it to acidify the flower soil and make it suitable for plant growth.