分离物回接到原宿主植物检测其促生能力，筛选出29个较好的根瘤菌株，对其溶磷、分泌植物生长素能力进行了初步研究。
As many as 730 isolates were obtained, from which 29 strains were selected according to their ability to promote plant growth.
分离物回接到原宿主植物检测其促生能力，筛选出29个较好的根瘤菌株，对其溶磷、分泌植物生长素能力进行了初步研究。
As many as 730 isolates were obtained, from which 29 strains were selected according to their ability to promote plant growth.
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