A little plant ash can be added to the orchid, and the dosage should not be too much, because the plant ash is alkaline, if too much is added, the pH value in the basin soil will be too large. It likes to grow in acid soil, and loam with high pH value tends to weaken the growth of plants, which is unfavorable for growth. If only a small amount is added, it will have many benefits for its growth.
1. Supplementary nutrition: there are many nutrients in the plant ash, especially P and K, which are helpful for the growth, can be used as nutrients, promote the growth of plants, and have good effect as foliar fertilizer.
2. Promote rooting: another function is to promote rooting, especially for the first transplanting, it can play a rooting effect and make the root grow as soon as possible.
3. Warmth preservation and antifreeze: it can promote the plant to be strong, improve the ability of cold and antifreeze prevention and reduce the possibility of frostbite. And spread a layer on the surface of flowerpot, can absorb heat to raise temperature, protect root system from frost damage in winter
4. Prevention and control of diseases and insect pests: it can effectively prevent the occurrence of rust and powdery mildew, as well as the red spider, scale insect and other insect pests.