固氮菌属于细菌的一科。菌体杆状、卵圆形或球形，无内生芽孢，革兰氏染色阴性。好氧，厌氧，兼性厌氧均有，有机营养型，能固定空气中的氮素。包括固氮菌属、氮单孢菌属、拜耶林克氏菌属和德克斯氏菌属。固氮菌肥料多由固氮菌属的成员制成。
n. azotobacter
misc. nitrogen-fixing bacteria
...variabilis)混交林下的土壤,调查分析了细菌(Bacteria)、放线菌( Actinomycets)、真菌(Fungi)和固氮菌(Nitrogen-fixing bacteria)的数量及组成.
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目前，用于生产此类微生物肥料的菌种主要有：园褐固氮菌或称为褐球固氮菌(Azotobacter chroococum)；棕色固氮菌亦称维涅兰德固氮菌(Azotobacter chroococum)；德氏拜叶林克氏固氮菌(Beijerinckia derxii)和克氏杆菌属(Klebsiella...
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固氮菌属 [微] Azotobacter ; Azotobacter beijerinckii
棕色固氮菌 Azotobacter vinelandii ; Azotobacter vinelandii Lipmann ; vinelandii
固氮菌剂 [微] [肥料] azotogen
褐球固氮菌 Azotobacter chroococcum ; Azotobacter chroococcum Beijerinck ; Azotobacter chroo ; Azotobacter chrooccum
圆褐固氮菌 Azotobacter chroococcum
固氮菌科 [微] Azotobacteraceae
自生固氮菌 Azotobacteria ; free-living nitrogen fixing bacteria ; free-living nitrogen-fixer ; living nitrogen fixing bacteria
固氮菌培养基 Azotobacter Medium
固氮菌群 Nitrogen Fixing Bacteria Series
The result also showed that ammonifier,aerobic azotobacter,sulphate reducer,denitrifier and anaerobic cellulosede-composer were increased by 25.99,45.39,11.43,1.36 and 1.43 folds,while aerobic cellulose-decomposer was reduced by 86.74%in the soil respectively.
土壤中氮化细菌、好气性固氮菌和硫化细菌分别增加了25.99倍、45.39倍和11.43倍,反硝化细菌和嫌气性纤维素分解菌也增加了136.26%和142.99%,而好气性纤维素分解菌减少了86.74%。
参考来源 - 地黄连作对土壤微生物的影响In 0 40cm soil layer the bacteria increased 150.99%, the ammoniation bacteria 142.24%, the nitrogen-fixing bacteria 95.47%, and the fungi the smallest, 56.33%.
0～40cm土层中，覆盖后细菌增加了150.99％，其次是氨化菌、固氮菌，分别为142.24％、95.47％，真菌数量增加最少，为56.33％。
参考来源 - 南方梨园秸秆覆盖综合效益研究It demonstrates that farm manure used by itself and companying with fertilizer provided nutrition and good environment for self-nitrogen-fixation bacteria and promoted their growth and breeding.
说明纯农肥施用和农肥化肥配比施用为好气性自生固氮菌提供了营养物质及良好的环境条件,促进其生长繁殖,而土壤自生固氮能力下降表明好气性自生固氮菌在土壤养分充足的情况下不发挥其固氮能力。
参考来源 - 培肥方式对黑土区土壤氮素转化的影响·2,447,543篇论文数据，部分数据来源于NoteExpress
细菌、真菌和自身固氮菌数量春季最多。
The numbers of bacteria, azotobacter and fungi were highest in spring.
自生固氮菌与纤维素分解菌之间相互促进，有利于有机质的积累；
Rhizobacter and cellulose decomposing bacteria promoted each other, benefiting organic matter accumulation.
从纤维素分解菌与联合固氮菌的接种配比，研究了混合培养对滤纸分解的影响。
The effect of cellulose-decomposing fungus(CDF) mixed with associative nitrogen-fixing bacterium(ANFB) to cellulose-decomposing has been studied.
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