For orchids, there are many fertilizers available, and some are specially for orchids, the effect is better. However, some materials are not very eye-catching, and do not cost too much money, the effect is good
1. Mushroom soil: it is acidic and suitable for orchids. The nutrients contained in it are relatively moderate, and the fertilizer effect time is long. Moreover, it can be used as fertilizer or matrix. Compared with other matrixes, its texture is more loose, and its drainage and air permeability are better. It can be mixed with other substrates as a culture soil, its volume can account for 20 to 30%.
2. Husk carbon: this material contains more potassium, and after application, it can make the soil more loose, and it can also properly improve the temperature of the soil. However, it was originally alkaline. However, after a month or two of sun exposure, it can be neutral. It can be used after treatment.
3. Bone charcoal: it is mainly used as phosphate fertilizer, because it is rich in phosphorus. Moreover, as a kind of fertilizer, it has a quick effect and can last for a long time.