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Release of vitamin B12 from Rh. leguminosarum



Release of vitamin B12 from Rh. leguminosarum



Soil Biology and Conservation of the Biosphere Proceedings of the VIIth Meeting of the Soil Biology Section of the Society for Soil Science of the Hungarian Association of Agricultural Sciences held at Keszthely University of Agriculture in Sept Szegi, J, Editor: 201-205



In pot experiments, all 18 strains of Rhizobium leguminosarum isolated from peas grown under difficult nutritive conditions on leached chernozem and cinnamonic pseudopodzolic soils produced vitamin B12. The amount of vitamin produced depended on the activity, age and origin of the strain. Strains characterized by a high N-fixing activity produced the largest amounts of the vitamin. Release of the vitamin began on the second day and reached its maximum on the tenth day.

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Accession: 000734803

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