nitrogen fixation

Effects of different nitrogen levels on iron nutrition and nitrogen fixation of peanut in maize-peanut mixed cropping system

玉米&花生混作体系中不同施氮水平对花生铁营养及固氮的影响

The growth period, nitrogen fixation , growth condition and other growth characteristics of Nostoc. sp were studied.

摘要研究了念珠藻的生长周期 、 固氮特性 、 生长条件等生长特性.

Nodule bacteria are very good at biological nitrogen fixation.

根瘤菌是生物固氮的能手.

The results of acetylene reduction detection showed that 88.5 % were effective for nitrogen fixation.

乙炔还原活力测定结果表明,88.5%为有效根瘤.

The sensitivity of these four consortia to the inhibition of REEs was in an order: bacteria decomposing cellulose ammonifying bacteria nitrifying bacteria nitrogen fixation bacteria.

4种土壤微生物生理类群对混合稀土抑制敏感性依大小排序为：纤维素分解菌氨化细菌硝化细菌自生固氮菌。

Reduced products were analyzed by GC to determine of nitrogen-fixation activity in biologically compound fertilizer.

研究生物固氮活性,国际公认的方法是乙炔还原法.

The relationships between nitrogen fixation, h_2-evolution and assimilatory power in blue-green algae Anabaena 7120

蓝藻Anabaena7120的固氮放氢和同化力之间的关系

At present, the impact of transgenic rice on soil bacterial communities still little is known. One crucial function carried out by soil microorganisms is nitrogen fixation, which is the major source of nitrogen for many natural ecosystems.

有关转基因水稻对稻田土壤微生物的影响目前仍知之甚少。固氮微生物是水稻根际微生物群落中重要的微生物功能菌群之一，对水稻氮素营养调节起着重要作用。

Nitrogen fixation ability of azotobacter and its effect on growth of spring wheat

自生固氮菌的固氮能力及其对春小麦生长发育的影响

The continuous accumulation of REEs exhibited alternative effects of stimulation, inhibition and re-stimulation on soil ammonifying bacteria, nitrifying bacteria, nitrogen fixation bacteria and bacteria decomposing cellulose.

结果表明，外源低剂量稀土的持续积累会对土壤氨化细菌、硝化细菌、纤维素分解菌和自生固氮菌产生刺激、抑制、再刺激的交替作用。

Effect of barnyardgrass ( echinochloa crusgalli) shading on nitrogen fixation of soybeans

稗草阴蔽对大豆根瘤固氮速率的影响

Nitrogen fixation is one of important ecological reactions sustaining productive force on the earth, only second to CO_2 fixation.

氮素固定是地球上维持生产力的一个重要生态反应，是继CO2固定之后最重要的生化反应。

Overview of nitrogen fixation of marine cyanobacteria

海洋蓝细菌生物固氮的研究进展

Nitrogen Fixation by Pea Nodules to Enrich Farmland and Its Benefit of the Pea Stub Land

豌豆根瘤固氮养地和茬地效益

Nitrogen fixation trees of Leguminosae and non-Leguminosae are important biological nitrogen fixation resources.

摘要豆科及 非 豆科固氮树种是重要的生物固N资源.

Patterns of nitrogen fixation along 10 N in the tropical Atlantic.

沿热带大西洋10N氮气固定作用的图形.

Enhancing effect of mannitol on nitrogen fixation activity in Anabaena under osmotic stress

甘露醇对渗透胁迫下的鱼腥藻（Anabaena）固氮活性的增效作用

Among the blue-green algae are many species of nitrogen fixation.

许多种蓝藻有固氮的能力.

Dinitrogenase The enzyme that catalyzes NITROGEN FIXATION.

固氮酶:能催化固氮反应的酶.

Internationally, research effort has been focused on biological nitrogen fixation in legume/ graminaceae system due to environmental problems and energy crisis causing by irrational fertilizer N use.

近年来，在不合理施用氮肥所带来的环境问题和过度依赖石化能源所产生的能源危机双重压力下，国际上对豆科在间作农业和混作牧草中的固氮作用研究十分重视。

Effect CF various light intensities on nitrogen fixation and sugar distribution of broad bean

不同光强对蚕豆固氮和糖分布的影响

Soybean is the best crop to make use of the soil and fertilize the soil at the same time. The nitrogen fixation of the nodule bacteria of soybean roots is the most important source of nitrogenous fertilizer in the traditional agriculture of China.

大豆是用地养地相结合的最佳农作物，大豆根瘤菌的固氮作用，是中国传统农业中氮肥最重要的来源。

The alder nitrogen fixation promoted growth of the after crop.

十年生桤木林采伐迹地上,桤木固氮改良土壤,并促进后续植物的生长.

Mechanism of barnyardgrass interference in nitrogen fixation of soybeans& water interference mechanism

稗草影响大豆根瘤固氮的机制研究之一&水分干扰机制

Interaction of Barnyardgrass and Water Stress on Nitrogen Fixation of Soybean

稗草和水分胁迫对大豆植株根瘤固氮速率的交互影响

The root nodule of the legume plant's ability of nitrogen fixation from air makes it grow in the poor soil very well.

豆科植物的根瘤可以从空气中固定氮气而在贫瘠的土壤中生长。

Effect of Arbuscular Mycorrhizal Fungi on the Ability of Nitrogen Fixation of Amorpha fruticosa

丛枝菌根真菌对紫穗槐固氮能力的影响

Some hot questions in nitrogen fixation study OVERVIEW OF NITROGEN FIXATION OF MARINE CYANOBACTERIA

生物固氮研究中的几个热点问题海洋蓝细菌生物固氮的研究进展

Mycorhizae perform the function of nitrogen fixation and storage.

菌根起着固氮和贮氮的作用.

Nitrogen fixation process by heterogeneous catalytic oxidation with nitric acid steam

硝酸蒸汽多相催化氧化法固氮的研究