文中通过检测乳酸菌在不同固体和半固体培养基中的菌落数、菌落大小及溶钙圈大小，以筛选出乳酸菌生长的最佳培养基。
The optimal medium for the growth of lactics was chosen by detecting the number, size of colony and the size of calcium dissolving zone when the bacteria grew in different solid and semisolid medium.
不施氮肥只接种根瘤菌的处理，根瘤菌的固氮量虽高，但植株生长量和荚果产量则明显降低，单株结果数和荚果产量仅比对照处理增加6.9%和5.9%。
The nitrogen fixation rate per plant was high by inoculated rhizobia only, but the pod number and yield per plant only increased by 6.9% and 5.9% compared with CK.
不施氮肥只接种根瘤菌的处理，根瘤菌的固氮量虽高，但植株生长量和荚果产量则明显降低，单株结果数和荚果产量仅比对照处理增加6.9%和5.9%。
The nitrogen fixation rate per plant was high by inoculated rhizobia only, but the pod number and yield per plant only increased by 6.9% and 5.9% compared with CK.
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