1. Temperature: 15 to 28 degrees is the most suitable range. In an environment higher than 35 degrees, its growth rate will be very slow or even stagnant. Below 10 degrees, there is a possibility of freezing. Therefore, under these two extreme conditions, we need to pay attention to the regulation.
2. Light: watercress has high requirements for sunlight. In the case of too dark, its flowering will be very adversely affected. Generally speaking, there is no need to shade in winter and spring. In summer and autumn when the sunshine is strong, shade is needed.
3. Watering: Douban orchid likes to be wet, but its waterlogging resistance is not very good. In summer, try to moisten the basin every two days, and pour it through twice a month. Spring and autumn seasons are basically the same. Generally, the basin is moistened twice a week and watered once a month. Enter the winter to control water, generally once a week.
4. Fertilization: it does not need much fertilizer. Choose the soil with more nutrition, and add enough fertilizer when planting and basin changing, so there is basically no need for topdressing. Too much fertilizer will do harm.
1. Propagation: it can be propagated in individual plants. Before breeding, water should be controlled for a period of time. Then there are specific steps of plant division. When separating, pay attention to that each part must have several pseudobulbous. The sandy soil is then prepared as the substrate. After planting separately, pour it thoroughly, and then place it in a cool place.
2. Change basin: watercress has higher requirements for soil quality, so it is better to change the soil regularly, preferably once a year. In this way, not only the nutrient in the soil is sufficient, but also the serious soil agglomeration can be avoided. However, when changing pots, it is necessary to trim the roots and leaves slightly, but do not hurt the main roots.
1. Diseases: some diseases occur frequently in summer and autumn, such as anthrax, leaf spot, etc. In addition to the infected leaves will be cut off, handle, the best use of some drugs, so that the recovery speed is fast
2. Insect pest: mainly "aphid", "spider" and so on. Generally, the effect of all kinds of chemicals is good, and it is easy to control.
1. Toxicity: watercress is a kind of orchid. It is nontoxic and has strong purification ability.
2. Can you raise it at home? It's good to put it at home as a potted plant.