Journal of the Japanese Institute of Landscape Architects
Online ISSN : 2185-3053
Print ISSN : 0387-7248
ISSN-L : 0387-7248
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Volume 38, Issue 3
Displaying 1-6 of 6 articles from this issue
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  • Uber die Gliederung der Landschaftseinheiten als Geo-Botanische Typen
    Hisato IDE, Kazuhiko TAKEUCHI
    1974 Volume 38 Issue 3 Pages 2-15
    Published: December 20, 1974
    Released on J-STAGE: July 19, 2011
    DOIhttps://doi.org/10.5632/jila1934.38.3_2
    JOURNAL FREE ACCESS
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  • Study on the Utilization of Activated Sludge of Sewerage in Industry
    Fertilizer Response on Zoysia Matrella Merr.
    Taizo MORISHITA, Sigeyuki NODA, Tomoo OZAWA
    1974 Volume 38 Issue 3 Pages 16-24
    Published: December 20, 1974
    Released on J-STAGE: July 19, 2011
    DOIhttps://doi.org/10.5632/jila1934.38.3_16
    JOURNAL FREE ACCESS
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    Factories in all kind of industry treat organic sewerage with conventional activated sludge process. Quality of the digesting sludge consists of the microorganism: Zoogloea, Rotifer, Protozoa.
    Therefore, subject of the biological sludge is protein, and also is able to be utilized as organic fertilizers.
    We examined fertilizer response of the sludge by Neubauer's seeding test and mineralization in soil (sand or clay), and experimented effect when cohesion is added in digesting process.
    Further, we investigated fertilizer response in case of lawn by pot tests, and experimented effect on soil amendment, as compared with the same kind material on the market.
    1) Fertilizer response of the activated sludge is slowly-release as similar to Rape seed oil cake and Herring meal, and also it is not so injurious than oil cake.
    2) Addition of all sort of cohesion to sewerage reduce sprouting percentage, and lime exerts worst effect of all inorganic cohesion in phosphorus nutrition of plant.
    3) In case of pot test by turf, their growth causing by sludge dressing, is more effective on under ground part than on above.
    4) Dressing of the sludge reduce hardening of soil when it is treaded on the lawn.
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  • The Modification of Temperature Caused by Groves of Trees in a City and Resulting Effects on Grove Tree Vitality
    Satomi WATANABE
    1974 Volume 38 Issue 3 Pages 25-28
    Published: December 20, 1974
    Released on J-STAGE: July 19, 2011
    DOIhttps://doi.org/10.5632/jila1934.38.3_25
    JOURNAL FREE ACCESS
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    It is generally recognised that temperature on a summer's day within a grove of trees (TG) is lewer than that outside it (TC).
    The effect on temperature within such groves (ΔT=TC-TG) was measured on a sunny day between 10 A. M. and 6 P. M. in 1973 at about 30 places mainly in Osaka City using a mercury thermometer. The following indexes represent the day long variation in temperature within the sampled groves:
    ∫1810ΔTdt...The integral of ΔT from 10 A. M.to 6 P. M.
    Max.(ΔT)...The maximum of ΔT.
    αTcαT...The coefficient ratio belonging proportionally to TC and ΔT. αTcΔT=ΔT/ (Tc-β.) (The coefficient of correlation was added to each).
    The following indexes represent conditions related to the previously mentioned 30 samples (groves or open spaces included):
    G...Grove vitality estimated in 5 ranks by visual observation
    R...The ratio of groves or tree-covered space
    S...The area of open space
    The following table showa the coefficient of correlation between the two indexes:
    From this table, wefind high degree of correlation between V and ∫1810ΔTdtor Max.(ΔT). This fact should prove useful in developing park and open space policy.
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  • Studies on the Analysis of Landscape for the Nature Conservation
    Prospect and Retrospect
    Hiroshi ISHII
    1974 Volume 38 Issue 3 Pages 29-31
    Published: December 20, 1974
    Released on J-STAGE: July 19, 2011
    DOIhttps://doi.org/10.5632/jila1934.38.3_29
    JOURNAL FREE ACCESS
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  • A Basic Experiment on the Standavd of Depth of Soi on Roof Gardens
    [in Japanese]
    1974 Volume 38 Issue 3 Pages 32-34
    Published: December 20, 1974
    Released on J-STAGE: July 19, 2011
    DOIhttps://doi.org/10.5632/jila1934.38.3_32
    JOURNAL FREE ACCESS
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  • [title in Japanese]
    1974 Volume 38 Issue 3 Pages 35-37
    Published: December 20, 1974
    Released on J-STAGE: July 19, 2011
    DOIhttps://doi.org/10.5632/jila1934.38.3_35
    JOURNAL FREE ACCESS
    Download PDF (389K)
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