By Gerald H. Elkan (auth.), Martin Alexander (eds.)
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Additional info for Biological Nitrogen Fixation: Ecology, Technology and Physiology
Lupini were maintained during the hot, dry period at times when the population of R. trifolii declined (Chatel and Parker, 1973). These Australian investigations are excellent examples of the relationship between ecological knowledge of the bacteria and practical problems of legume growth. ECOLOGY OF Rhizobium 45 Although soil freezing is a repeated stress in soils of the temperate zone, few studies have been devoted to its impact. Nevertheless, some rhizobia withstand freezing during the winter and initiate nodulation the following spring (Fred, 1920).
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T. Shanmugan, Proc. Nat1. Acad. Sci. , 75: 2343-2347 (1978). J. Olivares, E. Montoya, and A. Palomares, in: Recent Developments in Nitrogen Fixation (W. E. Newton, R. Postgate, and C. ), Academic Press, New York, pp. 375-385 (1978). A. N. Parijskaya, Microbio1ogiya, 42:119-121 (1973). F. O. Pedrosa and G. T. Zancan, J. , 119:336-337 (1974). A. N. Petrova, I. E. Chermenskaya, and V. L. Kretovich, Dok1. , Dok1. Akad. Nauk SSSR, 217:479-480 (1974). R. H. Prakash, P. J. J. Hooykaas, A. M. Ledeboer, J.