Mycorhizae perform the function of nitrogen fixation and storage.
菌根起着固氮和贮氮的作用。
The fixation and adsorption of ammonium are important parts of nitrogen recycle in soils.
铵的矿物固定和吸附是土壤氮素循环中的重要环节。
Like most other cyanobacteria, nostocs contain two pigments and are capable of nitrogen fixation.
与大多数蓝绿藻一样，念珠藻属含有两种色素，并有固定氮的能力。
The prospect of employing nitrogen fixation in agriculture is promising.
在农业中应用固氮作用的前景良好。
Nitrogen fixation is carried out by the rhizobia in the anaerobic environment of the nodule.
氮的固定是由无氧环境的根瘤中的根瘤菌完成的。
The results show that MC1 mixture resisted to some plant pathogenous fungi, and it did not show effect on nitrogen fixation and phosphorus dissolving capacity.
本研究未能证明MC1具有固氮和解磷能力，而对黄瓜枯萎病和番茄枯萎病菌具有明显的抑制作用。
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。
Reduced products were analyzed by GC to determine of nitrogen-fixation activity in biologically compound fertilizer.
采用气相色谱测定还原产物，以确定复合菌肥料的固氮活性。
Tea-oil tree~. Chinese fir and poplar wcre tested to determine whether nitrogen fixation occurred in these woody plants.
以油茶、杉木、杨树为研究对象，探讨木本植物根际联合固氮体系。
The formation of foot nodule and activity of nitrogen fixation is related with soil conditions and host-plant characters.
根瘤的形成和固氮活性与土壤条件和寄主特性密切相关。
Chemical nitrogen fixation from the air under mild conditions is discussed in this paper.
本文讨论了在温和条件下从空气进行化学固氮的问题。
This paper would explore the mutagenesis of Rhizobium mutants resistant to kasugamycin, and analyse the nodulation and fixation nitrogen character of the mutants.
本文将探讨诱变对根瘤菌抗春雷霉素突变的作用，并对获得的抗性突变株的生物固氮特性进行分析。
The nitrogen fixation rate per plant was high by inoculated rhizobia only, but the pod number and yield per plant only increased by 6.9% and 5.9% compared with CK.
不施氮肥只接种根瘤菌的处理，根瘤菌的固氮量虽高，但植株生长量和荚果产量则明显降低，单株结果数和荚果产量仅比对照处理增加6.9%和5.9%。
Biological nitrogen fixation (BNF), which provides all the plants on the globe with 75% of fixed nitrogen, is one of the important projects in life science.
生物固氮为全球的植物提供75%的氮素，是生命科学中的重大课题。
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。
Nitrogen fixed by legume root nodules accounts for 40% of total biological nitrogen fixation.
豆科植物的根瘤固氮占生物固氮总量的40%。
Domestic researchers have carried out some work on the influence of environmental factors on nitrogen fixation, however most of them are not from a quantitative point of view.
国内研究者对不同环境因子对固氮的影响开展了一些工作，但多未从定量角度出发。国外的生物固氮模型按构建方式大致可以分为经验模型和机理模型两类。
Nodule bacteria are very good at biological nitrogen fixation.
根瘤菌是生物固氮的能手。
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。
For example, how many news articles have been written about nitrogen-fixation — the process by which plants can be made to "fix" their own nitrogen, thus reducing the need for fertilizer?
举例来说，有几篇新闻报道过固氮作用——这是使植物锁定自身的氮气，从而减少对化肥需求的过程？
However, with the increasing of nitrogen fertilizer, it not only inhibits nitrogen fixation between soybean and rhizobium, but brings disadvantages to ecological environment.
大豆随着氮肥施用量的增加，不仅抑制了大豆—根瘤菌的共生固氮作用，也给生态环境带来了不利的影响。
Among the blue-green algae are many species of nitrogen fixation.
许多种蓝藻有固氮的能力。
Promotes the contour nitrogen fixation plant technology.
推广等高固氮植物篱技术。
Nitrogen fixation trees of Leguminosae and non-Leguminosae are important biological nitrogen fixation resources.
豆科及非豆科固氮树种是重要的生物固n资源。
The trial was established with a purpose to ascertain the yield response to Feiligao, a nitrogen fixation bacterial fertilizer, and its best application rate on tobacco.
为验证生物固氮菌肥肥力高的增产效果，探讨用于烤烟的最佳施用量，进行了试验。
The soil nitrogen status is a function of the processes of nitrogen fixation, microbial decompostion, nitrificattion 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。
Leguminous plant has been thinking highly because its high protein content, good palatability, higher productivity, economic and high-performance nitrogen fixation is attracted increasing attention.
豆科植物由于其高的粗蛋白含量，良好的适口性，较高的生产力及经济有效的固氮价值越来越受到人们的重视。
In order to simulated biological nitrogen fixation, a series of studies on nitrogenase are proceeded.
为了模拟生物固氮，对固氮酶进行了一系列的研究。
In order to simulated biological nitrogen fixation, a series of studies on nitrogenase are proceeded.
为了模拟生物固氮，对固氮酶进行了一系列的研究。
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