Rhizomastigina

例句：

1. 1. The rhizomastigina bacteria are essential for the growth of plants.
   根瘤菌属细菌对植物的生长至关重要。
2. 2. Researchers have discovered new species of rhizomastigina that can fix nitrogen in soil.
   研究人员发现了新的根瘤菌属物种，它们可以在土壤中固定氮。
3. 3. Inoculation with rhizomastigina bacteria can improve crop yields by increasing soil fertility.
   接种根瘤菌属细菌可以提高作物产量，通过增加土壤肥力。