- بی نام. 1380.آمارنامه کشاورزی استان اصفهان. معاونت طرح و برنامه ، سازمان جهاد کشاورزی استان اصفهان.
- کیلهام، کن. 1997. بوم شناسی خاک. ترجمه عوض کوچکی.(1376). انتشارات دانشگاه فردوسی مشهد.
- Alexander, M. 1982. Ecology of Rhizobium. Biological nitrogen fixation. Academic Publisher, pp. 39-50.
- Balasunhramanian, V. and K. Sinha. 1976. Effect of salt stress on growth, nodulations and nitrogen fixation in cowpea and mungbean. Plant Physiol, 36:197-200.
- Biederbeck, V. O., H. A. Bjorge, S.A. Brandt, and J.L. Henry. 1995. Soil improvement with legumes including legumes in crop rotation. Canada-Saskatchewan Agreement on Soil Conservation.
- Boreleau, L. M. and S. T. D. Prevest. 1994. Nodulation and nitrogen fixation in extreme environments. Plant and Soil, Vol. 161:115-125.
- Collins, M., D. J. Lang and K. A. Kelling. 1986. Effects of phosphorus, potassium and sulfur on alfalfa nitrogen fixation under field condition. Agron. J. 78: 959-963.
- Dazzo, F. B.and W. J. Brill. 1978. Regulation by fixed nitrogen of host symbiont recognition in the Rhizobiom-clover symbiosis. Plant Physiol, Vol. 62:18-20.
- Eayleshan, A. R., J. S. Hassouna and F. Seegars. 1983. Fertilizers-N effect on N2 fixation by cowpea and soybean. Agron. J. Vol. 75, pp. 61-66.
- Feigfnbaum, S. and D. Mengel.1979. The effect of reduced light intensity and sub-optimal potassium supply on N2-fixation and N turn over in rhizobium-infected lucerne. Physiol. Plant, 45:245-249.
- Gibson, A. H. 1977. The influence of the environmental and managerial practices on the Legume-Rhizobium John Wiley and Sons. pp. 394-450.
- Gibson, A.H. 1971. Factors in the physical and biological environment affecting nodulation and nitrogen fixation by legumes. Plant and Soil. Special, 2:139-152.
- ICARDA (International Center for Agricultural Research in the Dry Areas) 1993. Practical Rhizobium-Legume Technology Manual No.19, Aleppo, Syria.
- Keck, T. J., P. Wagnet, W. F. Compbell, and R. E. Knighton. 1984. Effect of water and salt stress on growth and acetylene reduction in alfalfa. Soil. Sci. Soc. Am. J., 48:1310-1315.
- Lawson, K. A., Y. M. Barnet and C. A. McGilehrist.1987. Environmental factors influencing numbers of Rhizobium legominosarum biovar trifolii and its bacteriophages in two fields' soils. Environ. Microbiol. 53:1125-1131.
- Leung, K. and P. Y. Bottomley. 1987. Influence of phosphate on the growth and nodulation characteristic of Rhizobium trifolii. Environ. Microbiol., 53:2098-2105.
- Lindemann, W.C. and C.R. Glover.2003. Nitrogen fixation by legumes. Guide A-129. New Mexico state university.
- Roughley, R. J. and P. J. Dart. 1970. Root temperature and root hair infection of trifolium subteraneum. Plant and Soil, 32:518-520.
- Schubert, S. 1995. Nitrogen assimilation by legumes processes and ecological limitation. Fertilizers Research, 23: 222-226.
- Smith, D. H. and G. K. Beck.1999. Alfalfa: production and management No. 703. Colorado State University Cooprative Extention.
- Sprent, Janet I. 1990. Nitrogen fixing organisms. Chapman and Hall.
- Tu, J.C. and R. E. Ford. 1984. Plant virus intraction in nitrogen-fixing nodules. Zeit. Fur pflantenkrank heiten, 91: 200-212.
- Valssak, k.m.and J. Vanderleyden. 1997. Factors influencing nodule occupancy by inoculant rhizobia. Crit Rev. Plant. Sci. 16:163-229.
- Vance, C. P., and P. H. Graham. 1997.16th. North American Symbiotic Nitrogen Fixation Conference.
- Vincent, J. M. 1982. Enumeration and determination of growth. Pp.35-45 in Vincent, J. M.(Ed). Nitrogen Fixation in Legumes. Wiley, Sydney.
- Wood, M., J. E. Cooper and A. J. Holding. 1984. Aluminum toxicity and nodulation of trifolium response. Plant and Soil, 8:381-391.
- Woomer, P. L., P. W. Singleton and B.B. Bohlool. 1988. Ecological indicators of native rhizobia in tropical soils. Environ. Microbiol. 54: 1112-1116.
- Yousef, A. W., A. S. Al-Nassiri, S.k. Al-Azawi and N. Abdul Hossain. 1987. Abundance of peanut rhizobia as affected by environmental factors. Soil Biol. Biochemo 19:319-396.
|