rhizopterin

例句：

1. 1. Rhizopterin is a natural compound that stimulates the growth of plants.
   根瘤菌素是一种天然化合物，能促进植物生长。
2. 2. The plant's ability to fix nitrogen from the air is enhanced by rhizopterin.
   植物从空气中固定氮的能力因根瘤菌素而增强。
3. 3. Researchers are exploring the potential use of rhizopterin in agriculture to improve soil health and cropyields.
   研究人员正在探索根瘤菌素在农业中的潜在用途，以改善土壤健康和提高作物产量。