Abstract
In pot experiments with Vicia faba significant effects of soil pH on the nitrogenase activity and crop yield were found. Nitrogenase activity measured with a non-destructive acetylene test was closely correlated with the nitrogen fixed by the Vicia/Rhizobium symbiosis (r = 0.993). Low soil pH delayed the multiplication of Rhizobium which probably affected the infection rate of roots by the bacterium.
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© 1988 ECSC, EEC, EAEC, Brussels and Luxembourg
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Mengel, K., Schubert, E. (1988). Effect of Soil pH on Nitrogenase Activity, Crop Yield and Rhizobium Multiplication. In: O’Gara, F., Manian, S., Drevon, J.J. (eds) Physiological Limitations and the Genetic Improvement of Symbiotic Nitrogen Fixation. Advances in Agricultural Biotechnology, vol 23. Springer, Dordrecht. https://doi.org/10.1007/978-94-009-1401-8_15
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DOI: https://doi.org/10.1007/978-94-009-1401-8_15
Publisher Name: Springer, Dordrecht
Print ISBN: 978-94-010-7126-0
Online ISBN: 978-94-009-1401-8
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