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1.Rhizobium bacteria are essential for plant growth.
根瘤菌细菌对植物生长至关重要。
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2.The rhizobium bacteria in the soil help plants absorb nutrients.
土壤中的根瘤菌帮助植物吸收养分。
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3.Researchers are studying how to improve the efficiency of rhizobium bacteria in agriculture.
研究人员正在研究如何提高根瘤菌在农业中的效率。