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Calrorimetric Studies on the Ability of Organic Matter Decomposition by Microbes in Different Kinds of Soils.
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- Koga Kunimasa
- School of High Technology for Human Welfare, Tokai Univ. Lab. of Non-destructive Analysis, KVC, Keihanna Academy of Science and Cultures
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- Hiraoka Shin-ichi
- School of High Technology for Human Welfare, Tokai Univ.
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- Kim Yeong Su
- School of High Technology for Human Welfare, Tokai Univ.
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- Hagiwara Daisuke
- School of High Technology for Human Welfare, Tokai Univ.
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- Suehiro Yasutaka
- School of High Technology for Human Welfare, Tokai Univ.
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- Sakamoto Yasuko
- Lab. of Biophysical Chemistry, Graduate School of Agriculture and Biological Sciences, Osaka Prefecture Univ.
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- Takahashi Katsutada
- Lab. of Non-destructive Analysis, KVC, Keihanna Academy of Science and Cultures Lab. of Biophysical Chemistry, Graduate School of Agriculture and Biological Sciences, Osaka Prefecture Univ.
Bibliographic Information
- Other Title
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- 各種土壌微生物による有機物分解能に関する熱的研究
- カクシュ ドジョウ ビセイブツ ニ ヨル ユウキブツ ブンカイノウ ニ カンスル ネツテキ ケンキュウ
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Description
Using calorimetric method, heat evolutions associated with the growth of soil microbes (growth thermograms) during microbial decomposition of added organic matters (yeast extracts) in various kinds of soils were studied. Soils tested were soils from vegetable garden, from mountain area, from a playground, from tea garden and sea sands from beach. From the actual heat evolution curves (f(t) curves) derived from the growth thermograms, the “apparent growth rate constant (μ′)” of soil microbes was determined. As the μ′ value of soil microbes can be regarded as a decomposition rate constant (kd) of yeast extracts added, the abilities of decomposing the yeast extracts were compared for each of the soils.<br>From the results, the followings were obtained: (1) The calorimetry of solid microbes is a usable technique to quantitatively estimate the ability of organic matter decomposition in soils. (2) The ability of organic matter decomposition is considerably different depending on the kind of soils. (3) The decomposition ability of sea sand solids from beach is much higher than those of the other soils. (4) The decomposition ability of tea garden soil is considerably lower than that of the others.<br>On the basis of the above results, we conclude that the method employed in this study provides more quantitative information about the ecological potential than any other existing methods and that the present calorimetric method contributes to the land improvement in terms of the material cycling as well as the agricultural production.
Journal
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- Netsu Sokutei
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Netsu Sokutei 28 (2), 54-61, 2001
The Japan Society of Calorimetry and Thermal Analysis
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Details 詳細情報について
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- CRID
- 1390282680062853760
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- NII Article ID
- 130003446465
- 10007396285
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- NII Book ID
- AN00199597
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- COI
- 1:CAS:528:DC%2BD3MXivFersrk%3D
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- ISSN
- 18841899
- 03862615
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- NDL BIB ID
- 5801489
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- Text Lang
- ja
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- Data Source
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- JaLC
- NDL Search
- CiNii Articles
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- Abstract License Flag
- Disallowed