Nutrition soil for promoting transplanting survival of large bletilla striata seedlings and preparation method thereof

The invention discloses nutrition soil for promoting transplanting survival of large bletilla striata seedlings and a preparation method thereof, wherein the nutrition soil is mainly prepared from the following raw materials by the weight percentage: 15-25% of nutrients, 5-8% of bamboo charcoal particles, 3-5% of rhizoma atractylodis residues, 3-5% of folium artemisiae argyi ash residues, 3-5% of cymbopogon citratus ash, 5-10% of diatomite, and 40-70% of sandy loam. The nutrition soil effectively promotes the survival of the large bletilla striata seedlings, increases the survival rate, and ensures the quality of bletilla striata products. 本发明公开了种促进白芨大苗移栽成活的营养土及其制备方法，其中营养土主要由以下重量百分比的原料制备而成：营养物15-25%、竹炭粒5-8%、苍术药渣3-5%、艾叶灰渣3-5%、柠檬草灰3-5%、硅藻土5-10%、砂质壤土40-70%。本发明的营养土有效促进了白芨大苗的成活，提高了其成活率，保证了白芨产品的品质。