Folia Microbiologica

, Volume 11, Issue 4, pp 304–313 | Cite as

The mechanism of reduction in waterlogged paddy soil

  • Y. Takai
  • T. Kamura
Reviews and Discussions


Elucidation of the laws governing the reduction process in flooded rice paddy soil is indispensable for developing the lowland rice cultivation system by which the oxidation-reduction conditions for optimum growth can be maintained throughout the growth of the crop. The authors’ efforts have been focussed on the microbial metabolism of the reduction process in paddy soil, using waterlogged soil incubated in closed syringes as a simplified model of rice paddy field soil under flooded conditions. Such conditions can be assumed to occur throughout the plowed layer of field soil under flooding, except for the uppermost layer to which oxygen is supplied. One may conclude from the results of this investigation that the type of microbial metabolism in waterlogged soil changes successively according to the oxidation-reduction state from aerobic respiration in the presence of molecular oxygen, which is the most efficient energy-yielding reaction, to methane fermentation, which appears to be a less efficient energy-yielding reaction.


Paddy Field Paddy Soil Microbial Metabolism Manganate Hydrogen Sulphide 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


Unable to display preview. Download preview PDF.

Unable to display preview. Download preview PDF.


  1. Aomine, S.:A review of research on redox potentials of paddy soil in Japan. Soil Sci. 94: 6, 1962.CrossRefGoogle Scholar
  2. Bromfield, S. M.:Reduction of ferric compounds by soil bacteria. J. gen. Microbiol. 11: 1, 1954.PubMedGoogle Scholar
  3. Kamura, T., Takai, Y., Ishikawa, K.:Microbial reduction mechanism of ferric iron in paddy soils I. Soil Science & Plant Nutrition (Tokyo). 9: 171, 1963.Google Scholar
  4. Mitsui, S.:Inorganic nutrition, fertilization and soil amelioration for lowland rice, Yokendo. (Tokyo), 1955.Google Scholar
  5. Mitsui, S.:The N.P.K uptake and O2 secretion in relation to the metabolic pathways within the plant roots. Proc. Japan Acad. 36: 652, 1960.Google Scholar
  6. Okajima, H.:Studies on the physiological function of the roots system in the rice plant. (In Japanese.) Bull. Inst. Agr. Res. Tohoku Univ. 12: 1, 1960.Google Scholar
  7. Shioiri, M.:The chemistry of paddy soils. (In Japanese.) Japanese Agricultural Association, Tokyo, 1943.Google Scholar
  8. Takahashi al:Studies on nutrient absorption by crops. (In Japanese.) Bull. Nat. Inst. Agr. Sci. (Japan), Series B, 4: 76, 1955.Google Scholar
  9. Takai, Y.:Microbiological studies of paddy soils. (In Japanese.) Jour. Sci. Soil Manure, Tokyo 23: 37, 1952.Google Scholar
  10. Takai, Y., Koyama, T., Kamura, T.:Microbial metabolism in reduction process of paddy soils. I. Soil & Plant Food (Tokyo), 2: 63, 1956.Google Scholar
  11. Takai, Y.:On dynamic behaviour of iron compound in paddy soils. I. (In Japanese.) Jour. Sci. Soil Manure, Tokyo, 26: 467, 1956.Google Scholar
  12. Takai, Y., Kamura, T., Adachi, I.:On dynamic behaviour of iron compound in paddy soils. II. (In Japanese.) Jour. Sci. Soil Manure, Tokyo, 29: 216, 1958.Google Scholar
  13. Takai, Y.:Mechanism of methane fermentation in paddy soils. (In Japanese.) Trans. 3rd Cong. Isotope, Tech., Japan, 897, 1960.Google Scholar
  14. Takai, Y., Koyama, T., Kamura, T.:Microbial metabolism in reduction process of paddy soil. II, III. Soil Science & Plant Nutrition, 9: 176, 207, 1963.Google Scholar
  15. Yamazaki, D.:On the root injury of lowland rice. (In Japanese). Agriculture & Horticulture (Tokyo), 32: 1719, 1957.Google Scholar

Copyright information

© Institute of Microbiology, Academy of Sciences of the Czech Republic 1966

Authors and Affiliations

  • Y. Takai
    • 1
    • 2
  • T. Kamura
    • 1
    • 2
  1. 1.Department of Agricultural ChemistryThe University of TokyoJapan
  2. 2.Department of Agricultural ChemistryNagoya UniversityJapan

Personalised recommendations