然而，我国南方酸性土壤分布广、面积大，耐酸苜蓿根瘤菌资源缺乏。
However, there's a lot of acid soil in South of China, and acid-tolerant rhizobia are in short.
国外在中度酸性土壤上种植紫花苜蓿的经验表明，酸性土壤上接种高效耐酸苜蓿根瘤菌是提高紫花苜蓿产量和品质的重要措施。
The foreign experience of planting alfalfa on moderately acid soil showed that inoculating acid-tolerant rhizobium could improve the yield and quality of alfalfa.
国外在中度酸性土壤上种植紫花苜蓿的经验表明，酸性土壤上接种高效耐酸苜蓿根瘤菌是提高紫花苜蓿产量和品质的重要措施。
The foreign experience of planting alfalfa on moderately acid soil showed that inoculating acid-tolerant rhizobium could improve the yield and quality of alfalfa.
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