一、土洋结合液体培养钾细菌:1958年张家口专区万全县制造钾细菌肥料,曾创造性的应用土药品代替了化学制药品。利用酒瓶代替培养瓶等土洋结合的方法,成功地培养了钾细菌。1.培养液配方及准备菌种:糖半斤、过磷酸钙0.25两、泻盐(硫苦、硫酸镁)0.025钱、食盐0.025 First, the combination of soil and ocean culture potassium bacteria: Zhangjiakou area Wanquan County in 1958 to create potassium bacterial fertilizer, had a creative application of soil chemicals instead of chemical drugs. The use of wine bottles instead of culture bottles and other methods of combining earth and ocean, the successful cultivation of potassium bacteria. 1. Broth formula and preparation of strains: half a catty sugar, 0.25 double superphosphate, Epsom salts (sulfur bitter, magnesium sulfate) 0.025 money, salt 0.025