plant growthpromoting rhizobacteria

例句：

1. 1.These bacteria are known to promote plant growth in soil.
   这些细菌已知能促进土壤中植物的生长。
2. 2.The use of these rhizobacteria has been shown to increase crop yields.
   使用这些根瘤菌已被证明可以提高作物产量。
3. 3. The bacteria were found to be beneficial for plant growth and nutrient absorption.
   这些细菌被发现对植物生长和养分吸收有益。