制造豆科植物用的细菌肥料——根瘤菌拌种剂——,大都是在研究机关或工厂中进行,因为它需要有相当的设备和技术条件;也要有相当的规格。我国目前制造这种细菌肥料的机关不多,因此在距离制造拌种剂机关较远,或交通不便的地区,我们建议可用简易的方法来自己制造豆科作物的细菌肥料。豆科植物的根系有促进根瘤菌生长和发育的作 Bacterial fertilizers used to make legumes - Rhizobium seed dressing - are mostly carried out in research institutes or factories because they require considerable equipment and technical conditions; they also have considerable specifications. At present, there are not many bodies that make this kind of bacterial fertilizer in our country. Therefore, in the areas far from the place where the seed dressing is made or the traffic is inconvenient, we suggest that the bacteria and fertilizers of leguminous crops can be easily and simply produced. The roots of legumes have to promote rhizobia growth and development