Organic vegetable soil conditioner

The invention discloses an organic vegetable soil conditioner which is prepared from the raw materials in parts by weight: modified red mud powder, lignin powder, metaplexis japonica leaf, tapioca root tuber, triadica sebifera leaf, croton leaf and amino acid powder. The modified red mud powder is prepared by the following technologies: utilizing acidifying and ball milling technologies to treat red mud and drying to obtain red mud micropowder; adding the red mud micropowder into ethyl alcohol, evenly stirring, adding a potassium bicarbonate solution and heating, stirring, precipitating, filtering and drying to obtain the modified red mud powder. The organic vegetable soil conditioner disclosed by the invention can repair soil pollution, improve water retention capacity of soil, prevent insect damage and promote crop growth. 本发明公开了种有机蔬菜土壤改良剂，其原料按重量份包括：改性赤泥粉、木质素粉、萝藦叶、木薯块根、乌桕叶、巴豆叶、氨基酸粉。改性赤泥粉采用如下工艺制备：将赤泥经酸化和球磨工艺处理后，干燥制得赤泥微粉；将赤泥微粉加入乙醇中搅拌均匀，加入碳酸氢钾溶液，经加热搅拌、沉淀、过滤、干燥后，制得改性赤泥粉。本发明有机蔬菜土壤改良剂可修复土壤污染、提高土壤保水能力、预防虫害、促进作物生长。