您要查找的是不是：
- Expound the role of the legumes-root nodule bacteria nitrogen fixing system in large development of west area of China, and put forward a constructive suggestion. 摘要对豆科植物-根瘤菌共生固氮体系在西部大开发中的作用进行了论述，并提出建设性意见。
- The root nodule of the legume plant's ability of nitrogen fixation from air makes it grow in the poor soil very well. 摘要豆科植物的根瘤可以从空气中固定氮气而在贫痔的土壤中生长。
- There was a negative correlation between the nitrogenase activities of nitrogen fixing bacteria in root and that in leaf and stem. 上述结果说明：巴西甘蔗在本地也具有一定的固氮能力；
- We also found that growth activity of the strain HWZ2 was accelerated in co cultures with two other nitrogen fixing bacteria (GWZ1 and GWZ2) isolated from the rice root. 同时发现HWZ2与水稻根系分离到的两株自生好养固氮菌GWZ1,GWZ2之间具有协同生长。
- First,the amout of vicia faba root nodule which were irrigat... 本文还对以上结果的产生原因进行了初步的分析和探讨。
- Applying nitrogen fertilizer could enhance the fresh weight and dry weight of Chinese milk vetch, but it had negative effect on the formation of root nodule and the biological nitrogen fixation. 施用氮肥能促进紫云英干物质的积累和鲜草产量的提高 ,但对其根瘤的形成及生物固氮有负面影响。
- A kind of new symbiotic nitrogen fixing plant -- Elaeagnus mollis Diels. 一种新的共生固氮植物 -- 翅果油树.
- A preliminary study of economic characters of mulberry planted within contour hedgerows of nitrogen fixing plants. 固氮植物篱梯埂套种桑树效益初探。
- Bacteroid A modified bacterial cell in a root nodule, typically a cell of the bacterium Rhizobium in the root nudule of a leguminous plant (family Fabaceae). 类细菌：在根瘤中经过修饰的细菌细胞，比较典型的是在豆科植物根瘤中的根瘤菌（蝶形花科）。
- The Cyanobacteria （blue green algae） and soil bacteria such as Azotobacter, which carry out BNF without plant involvement, are examples of free-living nitrogen fixing organisms. 兰细菌（兰绿藻类）和土壤细菌如固氮菌都是自生固氮微生物的代表，它们可以在没有植物介入下进行生物固氮。
- Like rhizobia, the nitrogen-fixing endophyte Frankia elicits the formation of specialized root nodule structures which house BNF processes. 像根瘤菌一样，固氮的内寄生弗兰克氏菌能够诱发特殊的根瘤结构，在其中进行生物固氮过程。
- Usually occur in the root nodules of legumes. 通常长在豆类的根结节处。
- So rhizobia was the main induced factors of transfer cells, and the lacking of iron was only the secondary factors during the development of root nodule. 电镜观察结果表明，在根瘤形成过程中，根瘤菌是刺槐根外层传递细胞的主要诱因，而缺铁仅是次要因子。
- Rhizobia are able to induce the organogenesis of root nodules on legumeinous plants and reduce atmospheric nitrogen into ammonia. 根瘤菌与豆科植物共生固氮而在农业和生态环境中具有重要作用。
- The occurrence of hemoglobin in root nodules is notable. 值得注意的是根瘤中出现血红蛋白。
- The Role of Legumes-Root Nodule Bacteria Nitrogen Fixing System in Development of West Area of China 豆科植物根瘤菌-固氮体系在西部大开发中的作用
- Most species have root nodules containing nitrogenfixing bacteria. 大多数有根瘤，其中含有固氮菌。
- nitrogen fixing bacteria of symbiosis 共生固氮细菌
- associative nitrogen fixing bacteria 固氮菌
- Associated nitrogen fixing bacteria 联合固氮菌
