| 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. | They clearly demonstrated that nitrogenase could catalyze the reduction of acetylene as well as n2
他们明确地证明，固氮酶能催化乙炔以及N2的还原。 |
| 4. | laboratory cultures of the rhizobia can fix only under special cultural conditions.
实验室培养的根瘤菌只有在特殊培养条件下才能固氮。 |
| 5. | in compacted and waterlogged soils fixation by nodules is probably limited by availability of .
在坚实的和渍水的土壤中，根瘤固氮大概受的可给性限制。 |
| 6. | The soil nitrogen status is a function of the processes of nitrogen fixation, microbial decomposition, nitrification and denitrification .
土壤氮状况是一个固氮、微生物分解、硝酸化和脱氮过程的作用。 |
| 7. | Dinitrogenase the enzyme that catalyzes nitrogen fixation
固氮酶：能催化固氮反应的酶。 |
| 8. | Interaction of associative nitrogen - fixation bacteria with evcaiyptus
固氮植物的菌根研究 |
| 9. | Research on the improvement of associative nitrogen fixation bacteria
小麦固氮作用研究进展 |
| 10. | Advance on nitrogen fixation in wheat
几种丛生竹根际联合固氮研究 |
