Symbiotic nitrogen fixation of legumes with azotobacteria was a hot topic of scientific research, but less focus on alpine meadow community.
豆科植物的共生固氮作用一直是科学研究的热点问题，但在高寒草甸上研究的比较少。
The pot experiment indicated that different strains symbiotic nitrogen fixation efficiency and the ammonium molybdate concentration were related.
盆栽试验表明，不同菌株共生固氮的有效性与钼酸铵浓度相关。
Plant pot experiments were carried out for the recipient strains and their transconjugants to compare their nodulation ability and symbiotic nitrogen fixation efficiency.
在盆栽条件下比较研究了转基因重组根瘤菌与出发菌和参照菌的结瘤与共生固氮效率。
Whether the rice plant can respond to signalling molecules ( i . e. Nod factors) is an important question, as it could establish the potential for symbiotic nitrogen fixation in rice.
水稻是重要的粮食作物，能否对结瘤因子信号产生应答反应是最终实现水稻结瘤固氮的关键因素。
Whether the rice plant can respond to signalling molecules ( i . e. Nod factors) is an important question, as it could establish the potential for symbiotic nitrogen fixation in rice.
水稻是重要的粮食作物，能否对结瘤因子信号产生应答反应是最终实现水稻结瘤固氮的关键因素。
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