Referències
- ↑ Gandora V., Gupta R. D., Bhardwaj K. K. R. «Abundance of Azotobacter in great soil groups of North-West Himalayas». Journal of the Indian Society of Soil Science, 46, 3, 1998, p. 379–383. Arxivat de l'original el 2012-09-06 [Consulta: 25 desembre 2010].
- ↑ Martyniuk S., Martyniuk M. «Occurrence of Azotobacter Spp. in Some Polish Soils». Polish Journal of Environmental Studies, 12, 3, 2003, p. 371–374. Arxivat de l'original el 2011-07-15 [Consulta: 25 desembre 2010]. Arxivat 2011-07-15 a Wayback Machine.
- ↑ Tejera N., Lluch C., Martínez-Toledo M. V., González-López J. «Isolation and characterization of Azotobacter and Azospirillum strains from the sugarcane rhizosphere». Plant and Soil, 270, 1–2, 2005, p. 223–232. DOI: 10.1007/s11104-004-1522-7.
- ↑ Kumar R., Bhatia R., Kukreja K., Behl R. K., Dudeja S. S., Narula N. «Establishment of Azotobacter on plant roots: chemotactic response, development and analysis of root exudates of cotton (Gossypium hirsutum L.) and wheat (Triticum aestivum L.)». Journal of Basic Microbiology, 47, 5, 2007, p. 436-439. DOI: 10.1002/jobm.200610285. PMID: 17910096.
Enllaços externs
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