a ‘abc - js-soilphysics.com · temples and in tumulus in asian countries. takamatsuzuka tumulus...

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.1 腏腙腕腜腞腐腎腄腍腊腅腃腋 腊腆腈腀腇腉腄腌腍腚腛 腙腕腜腞腒腑腂腓腗腖腚腛腝腔 : ,**/ +* +/ : 膞膂膸膂腤膞腥膊膓膄膎腽腰腌腎腏 腦膃膏腺腻腩腍腵膌腩 腩膺臺臖膮膳腟臇腤膣臔膇膏膔膃臐臘膐臄腼腾臜 膄腳腷膒膋膂腲腶腂腻膎膔腟膦腭膖腚腝膿臀腞膛腗 膥腧致膖腚膉腫自腤腏腚腙膖腚膉腩膺膱腰腷腢腐腓腬腭膖腚膥腰腠膙腐腓膪腋腐腭腕膠膧膕臕臘 腝臵腑腕腊腪膫臚腰臤臰腑腕膖腚膸臋臡 腞膞臈腰膟腐腓腬腕腥腝 , 腗腞膘腜腬腠膙腹膕腙膠 膊膤腰臥腖腕腚腏腮臃臝腩腫膶臃臝膫腒腬腋臵腑腕腜腍膥腰膂臗腫自腤臗 腚腟腍膘腜腬臌膯腚腜腖腕腩腫臲腋膣腒腬臎腝腜腖腕腕腥腚臤腈腪腭膫臚腰膦腑腜腆腚腆腇腏腚腊腪腠膙腒臗腞膠膥腰 膊膤腒腬臊臑膫腝腜腬腚膮膆腑腕腒腀腝腀腘 : 膖腚膄腳腷膒膋膂腲腶腂腻膎膔腠膙 腴腍膋腼膚腢腌腅腆腏膔膍膒膟腍 膙腍腧膎腠膅腾 腉膂膳膜膳臒臄膮 臯臜 腆膘膴腥膦膲 臱臊膬臟膄腔 膝臭 TS腉腩腠腸腷膐膔臬臨膪腞膝臭 TSMK膌腣膻膚腙腞臔腊腎腞膥膑膝臓 l 膑膝膕 EC 腚腰 ,12--2K 腸膍腑腕l 腝腟臇臚膯腝腩腬膥膑 腮膥臉腴腚腋膺腣腭腯腇EC 腝腩腖腘臛腺 腚腑腘膬腑腕TS l 膕腘腓膪腒 腞膩腻腦腑腕TSMK 腙腟l 腻腦腑腕腔腞臮EC 腞膩腻腦腙腟TS TSMK 腩腫腦腑腍腐腊腖腕腨腈腝TS 腙腟膩膕腘腓臇臚膯腉腩腠臛腺腦腑腆膪腝腩腖腘膥膑膝腮膥臉腴腵膂臗 膣腑腕腕腥腝l 腞膩腻腦腑腕腚臤腈 腪腭腬腒腀腝腀腘 : 膌腣膻膥膑膝臓腞膩腻腦 腧膎腱膖腨腌腅腆腏腼膚膜腷膔腡膑 腌腫腈腏膏腺腑腜腚腸腯 臆腀膂膔膰腳腂腶腼臨臒臄膳膜腩臅膮膳臒臄膮 臣臜 臔膂膳腾膅膃腴腵腱腛膾膸臁膲 臃腰膺腥腕臞腧腝腉腎腬腄膀 膖腚腣膻膽腻腕腃腌腜膹腯腭腘腆腬腏腭腪腞腋臐臻腰臋腸腒腬腕腥腞腻膉膍膒腂腻膎膔膌膂 膑腰臑腒腬腕腥腝腟腣膻臌腄臌膙腝膹 腒腬臧腪膕臕膂腂膀腋膳臎腙腅腬膖腚腣膻臗膑膝膕膥膎腦腄腰腡腢臼腝腸膍腜腺腂膌 TDR 膇膓腂膆腰膖腚腸膏膊臕腝膏臍腑腘臎膪腝腉腎腬膺腣臓膑膝膕腞臼膸膫腰腑腕腊腪臚膅腝臝腊腖腘膙腒腬腣膻臌腄腸膍腒腬腏腚腋腙腌腕腒腀腝腀腘 : 腺腂膌 TDR 膇膓腂膆膈膑膁腵臌膙膝臭NaCl 膁腲腳腣腊膛腩腈腏膕腬膉腢腪膂腍腮膈膇 膏膡腋膠膡腍腫腭 腟膔膆膐膣膠腢腊腍膀膏膠腹腐膢腋腇腉臉膷臆臁臒臄腡膒臏膛膉膗膁臩臮膩臘腣至臉臒臄腽膔膀腂膨膉腼 膡腫腎膗腝膨腝腉腆腘膩膇腊腪膂臗臭腋膤膻膲膚腝臕腋腺膔腹腳腙腜腛腞膿J. Jpn. Soc. Soil Phys. 膖腚膺臒腦 No. +*,, p. /-0+ ,**0腙腔腖腀腕腗腓腛腞 膗膘 膗膘膝腶

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Modelling of Irrigation Pattern and

Soil Layers on Irrigation E$ciency

by Using HYDRUS-,D

�0�1�2�23 Kumar PIYUSH,

Takuma NOGUCHI, Taku NISHIMURA, Makoto KATO

Lanzhou Institute of Desert Research (Institute of

Cold and Arid Zones), China LIU Xinmin

Numerical simulation using HYDRUS-,D was con-

ducted to discuss water saving irrigation practice for

corn-growing field in northwest China. Convention-

al irrigation is not suitable compared to the water

saving irrigation as it is water saving. The actual

layering of soil of field is simulated and is compared

with that of single layer soil assumption, which is

commonly used to plan irrigation practice. In case

of single layer condition the water potential and root

water uptake as well as irrigation e$ciency seemed

to be lower than that of layered soil under water

saving irrigation.

����� : Numerical simulation, HYDRUS-,D.

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Measurements of Actual Thermal Properties

of Takamatsuzuka Tumulus Soil

National Institute of Cultural Properties Tokyo

Magdi KHALIL, Takeshi ISHIZAKI

Environmental and Biological Engineering,

University of Tokyo Masaru MIZUGUCHI

There are several important mural paintings in

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temples and in tumulus in Asian countries.

Takamatsuzuka Tumulus was built with mural

paintings in the stone chamber around the end of 1th

century or at the beginning of 2th centaury. Be-

cause various fungi has recently appeared on the

lime plaster wall on which precious paintings are

drown together with intrusion of insects into the

stone chamber, which seriously has damaged wall

paintings, It is very urgent to restore and conserve

them with the relevant measures. In order to pro-

pose protective measures against fungi, we

performed a study of the thermal properties of the

Takamatsuzuka soil. Sampling of Takamatsuzuka

soils powder was carried out to know the thermal

properties as well. Because of its high inside humid-

ity and high water content of the lime plaster wall,

we tried to install cooling system to control inside

humidity.

����� : Takamatsuzuka Tumulus, mural paint-

ings, Thermal conductivity

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Merits of Ultra Low Microirrigation were analyzed

by HYDRUS-,D simulation model for water and

solute transfer. Results were : +) Water and NO--N

distributions by Ultra Low Microirrigation were well

estimated by the program, which can make the irri-

gation planning easy. ,) Ultra Low Microirrigation

was supposed to be appropriate for soils with high

water permeability and limited irrigation water,

where utilization e$ciency of water and fertilizer

can be higher and outflow of fertilizer can be smaller

than usual drip irrigation.

����� : Ultra Low Microirrigation, HYDRUS-,D,

Water and solute transfer

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Decomposition and Nitrogen Mineralization

of Some Crop And Plant Biomass

United Graduate School of Agricultural Sciences,

Iwate University Eusufzai Moniruzzaman KHAN

Faculty of Agriculture, Iwate University

Takeki MAEDA, Atsumi FUJII

It is essential to know the decomposition and nutri-

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ent release pattern of added biomass and their inter-

action with soil physical and chemical properties to

obtain a proper management strategy for sustainable

agriculture. Thus we are studying a field experi-

ment to quantify the decomposition pattern of rice

straw, sawdust and compost with minimum tillage in

completely randomized blocks amended with plant

residues and compost in andisol with three di#erent

application rates.

����� : Biomass, Decomposition, N-mineraliza-

tion, aggregate stability, aggregate size

distribution

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