1. The use of water is the main reason that causes the leaves of plants to turn black. The water can't be too much and can't keep it in the state of no water for a long time.
2. The use of fertilizer is also very important. It is not allowed to use raw fertilizer or too thick fertilizer. In this way, the growth of plants will not be good and the leaves will turn yellow or even black.
3. When encountering the stimulation of sunlight, the plant cannot be exposed to the sun for a long time, which will make the water in its body evaporate quickly and cause the situation of dry point and scorched edge.
1. If the leaves have turned black, then you need to trim off the diseased area, and then fill it with water. When the water overflows, it means that it has been watered. The advantage of doing this not only can make the plant use too much concentrated fertilizer to dilute, but also can make up water in time.
2. The plant can be kept in a windy and unobstructed place for maintenance. In summer, it is necessary to avoid directly seeing the sun and covering about 50% of it. In addition to this season, other seasons can give it gradually see the sun, about 2 to 3 hours.
3. This kind of plant needs to add some iron elements to it. You can put an iron nail in the soil planted by the plant.