Fresh heavy, dry heavy, plant height and root length of Cole respectively increases 8.3%,10.7%,9.4%,9.1% comparing with the area of reference because of using the azotobacter fertilizer.

• 施加固氮菌可明显促进油菜的生长发育；使油菜的鲜重、干重、株高和根长平均比对照依次增加了8.；3%25、10