土法制造固氮菌,其方法既经济而且简单易行,人人能搞,社社可办,就地生产,就地使用。兹将制法扼要的介绍如下:1.容器—取大小形状不拘的泥瓦盆作为容器,盆内先放满砂石,蓄以水。2.肥土—任何肥土均可。将土先放在阴暗处风干弄碎。经处理后的土中杂菌绝大部分死亡,唯有固氮菌宜 Azotobacter produces azotobacter by the method which is economical and simple and can be done by anybody. Here’s a brief introduction to the system: 1. Container - Take the size of the pottery as a container of all shapes and sizes, the basin filled with gravel, filled with water. 2. Soil - any fertilizer can be. Place the soil first in the shade and dry it. Treated soil most of the death of bacteria, nitrogen-fixing bacteria should only