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在“农业学大寨”群众运动深入发展的大好形势下,广大贫、下中农和农业技术人员对磷细菌肥料的生产和应用,在一些地区已形成热潮。在进一步总结经验,摸索规律,把生产和应用提到更高水平的过程中,正确地掌握磷细菌肥料的质量测定方法是非常必要的。和其他菌肥一样,磷细菌肥料的质量除取决于菌种的优劣之外,主要是以菌肥中含活磷细菌的数量多少为标志。在生产和应用单位检查磷细菌肥料的质量,一般就是检查每克菌肥或每毫升发酵液中的磷细菌活菌数量。现将常用的两种测数方法介绍于后,供
Under the favorable development of the mass movement of “learning from Dazhai in agriculture”, the production and application of phosphorus bacteria and bacteria by the majority of poor, middle peasants and agricultural technicians have formed an upsurge in some areas. In further summing up experience, explore the law, the production and application of a higher level of the process, the correct understanding of phosphorus bacteria fertilizer quality determination method is very necessary. Like other bacteriostats, the quality of phosphate bacterium fertilizers is marked by the quantity of viable bacteria in the bacteriostat besides the quality of the bacterium. In production and application units to check the quality of phosphorus bacteria and fertilizers, the general is to check per gram of bacteria or bacteria per milliliter fermentation broth in the number of viable bacteria. The two commonly used methods are introduced in the later, for