Superior performance of the Hup- Bradyrhizobium japonicum strain 532C in Ontario soybean field trials

作者: D. J. HUME , B. J. SHELP

DOI: 10.4141/CJPS90-081

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摘要: Field trials were conducted at different sites close to Guelph, Ontario, from 1981 1985, evaluate the effects of Hup+ and Hup− strains on performance soybean (Glycine max L. Merrill) identify that could support high yields under Ontario conditions. Each year six individual strains, Nitragin Soil Implant granular inoculant an uninoculated control compared for their effect yield. each experimental site was relatively free indigenous B. japonicum as exhibited by average less than one nodule per plant plots. Inoculation with or caused similar seed Of inoculants tested (strains well commercial inoculant), strain, 532C, also known strain 61A152, supported highest in 4 5 yr. Omitting 1982 data, when soil available N had equivalent inoculated plots, 532C treatments aver...

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