| 1. | Among the blue-green algae are many species of nitrogen fixation .
许多种蓝藻有固氮的能力。 |
| 2. | Mycorhizae perform the function of nitrogen fixation and storage .
菌根起着固氮和贮氮的作用。 |
| 3. | Dinitrogenase the enzyme that catalyzes nitrogen fixation
固氮酶：能催化固氮反应的酶。 |
| 4. | Research on the improvement of associative nitrogen fixation bacteria
小麦固氮作用研究进展 |
| 5. | Advance on nitrogen fixation in wheat
几种丛生竹根际联合固氮研究 |
| 6. | Nitrogen fixation of three - phase foam and its inerting properties
含氮气三相泡沫的固氮及惰化特性 |
| 7. | The effect of cobalt on symbiotic nitrogen fixation of soybean
钴肥对大豆根瘤固氮及产量影响的初报 |
| 8. | Nitrogen fixation of termite and bacteria isolated from its hindgut
白蚁及其肠道细菌的固氮作用研究 |
| 9. | Study on associated nitrogen fixation of sev eral sympodial bamboo species
联合固氮细菌的分离鉴定及固氮活性 |
| 10. | Use of 15n dilution method for screening soybean lines with high yield and high nitrogen fixation ability
稀释法筛选高固氮能力的大豆品种 |
