两种相同玉米品种都接种了固氮螺菌。
The two common corn cultivars were inoculated with Azospirillum brasilense.
在农业中应用固氮作用的前景良好。
The prospect of employing nitrogen fixation in agriculture is promising.
菌根起着固氮和贮氮的作用。
Mycorhizae perform the function of nitrogen fixation and storage.
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.
土壤干旱降低田菁根瘤的含水量和固氮活性。
Soil drought reduced moisture content and nitrogenase activity of nodules.
钼是豆科作物固氮酶复合体组成的必需元素。
Molybdenum is an essential element consisting of nitrogenase enzyme complex.
豆科及非豆科固氮树种是重要的生物固n资源。
Nitrogen fixation trees of Leguminosae and non-Leguminosae are important biological nitrogen fixation resources.
豆科植物的根瘤固氮占生物固氮总量的40%。
Nitrogen fixed by legume root nodules accounts for 40% of total biological nitrogen fixation.
水稻的光合作用及报分泌能力影响根际固氮活性。
The photosynthetic rate and excretory ability affected the nitrogenase activity in the rhizosphere.
本文讨论了在温和条件下从空气进行化学固氮的问题。
Chemical nitrogen fixation from the air under mild conditions is discussed in this paper.
本文对巴西固氮螺菌固氮基因的结构和调控进行综述。
The structure and regulation of nif genes in Azospirllum brasilense is reviewed in this article.
一些浮游植物可以通过固氮在硝酸盐含量较低的地区生长。
Some phytoplankton can fix nitrogen and can grow in areas where nitrate concentrations are low.
在坚实的和渍水的土壤中，根瘤固氮大概受的可给性限制。
In compacted and waterlogged soils fixation by nodules is probably limited by availability of.
硅酸盐细菌有很强的解钾能力，同时还有解磷和固氮能力。
Silicate bacterium has the strong ability of dissolving K, P and the ability of fixing n.
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。
Reduced products were analyzed by GC to determine of nitrogen-fixation activity in biologically compound fertilizer.
研究了念珠藻的生长周期、固氮特性、生长条件等生长特性。
The growth period, nitrogen fixation, growth condition and other growth characteristics of Nostoc. sp were studied.
固氮酶单、双钼铁钼辅基的制备与N-甲基甲酰胺碱度有关。
Preparation of FeMo cofactors containing single and double Mo was related with basicity of N-methylformamide.
本文介绍了生物法制固氮菌肥的方法，以及菌种的检验方法。
The paper introduces the method of making azotobacter fertilizer by biological process and test method of bacteria.
拔节期—成熟期的固氮量占整个生育期固氮量的70％以上；
The amount of fixed N during jointing—maturing stage was over 70% of whole rice growth stage.
相思树是我国南方一种对土壤适应性强，根瘤固氮的速生树种。
Acacia is a kind of fast growing wood that strongly fit for soil in south China.
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。
The growth period, nitrogen fixation, growth condition and other growth characteristics of nostoc. sp were studied.
适宜组合的混合干草产量、氮产量、苜蓿固氮和固氮产物转移都最高。
There was the hightest yield of mixed hay, nitrogen, Ndfa and Ndft of alfalfa plant in the combination.
然而，只有在细菌（根瘤菌）达到一定数量时引发群体感应机制才能进行固氮。
However, bacteria fix the gas only when their population is high enough to trigger the quorum-sensing machinery.
ATP结合部位是固氮酶的调节部位；乙炔还原活性部位是固氮酶的催化部位；
ATP binding sites are regulatory sites in the nitrogenase and the acetylene reduction active sites are catalytic sites in the nitrogenase.
固氮是一个加强能源的过程，而细菌为了完成任务而获取能量的过程目前尚不清楚。
Fixing nitrogen is an energy intensive process and it wasn't entirely clear exactly how the bacterium produces the energy it needs in order to perform.
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。
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。
Plant pot experiments were carried out for the recipient strains and their transconjugants to compare their nodulation ability and symbiotic nitrogen fixation efficiency.
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