本刊1956年第一期刊登了沉正谊同志的“细菌肥料和颗粒细菌肥料的一般常识”一文,内容谈到了自生固氮菌的的制造方法,有许多读者在进行制造的过程中发生了一些问题,向编辑部提出来要求解答。我们特请本所农化系土肥室胡济生同志写了这篇补充说明;本期封底还配合列出了使用氮菌方法的连环画,以供读者参考。 The first issue of 1956 published Comrade Shen Zhengyi “general knowledge of bacterial fertilizer and granular bacterial fertilizer ” on the production of autotrophic nitrogen bacteria, there are many readers in the process of manufacturing occurred Some questions to the editorial department to ask for answers. We specially requested this supplement from Comrade Hu Jisheng, a lab of soil conservation and fertilizers in this department. The back cover of this issue also lists comic strips that use the nitrogen bacteria method for readers’ reference.