
J. Jpn. Soc. Soil Phys.
B0No. +*/, p. +/,, ,**1    *

Application and Modiﬁcation of Soil Organic Matter Models
for Japanese Arable Soils
Yasuhito SHIRATO** National Institute for Agro-Environmental Sciences
Kan-non-dai -ῌ+ῌ-, Tsukuba, Ibaraki -*/ῌ**-/Key words : soil carbon, simulation model, Andisols, Paddy soils, long-term experiment+    
ῌ -  CO,     !"#*+:mbn(#$%8i9jk 0 ;#$=2 RothC %!@NO|}  >SOC? ~ 678uv=&s=1@6$% #& 'ῌA>?ῌ,? NO#= ;&<-()#*+,-./ 012345 6ῌῌ

B

789:mbn(#$=2 SOC r<:&!678";<52= >McGill, +330?  @#A$<5

B1CD %&&@##$% '(#)E
2$4 *+ FGHIH#$=2-,-JKL
M#./0NO<52=-=1|CFG RothC &*+@6uv>Shirato and Taniyama, ,**-?

*+mbn( . ;#$=2DENO eE|} SOC r<uv=&s=F4 G1>2H:# 1=

PQ+RS& T1,-678-U V2W30X=YZ[\]^_`ῌaZbcῌ678

mbnI0678J<52=-=Q1.
1{5  mbn!

 SOC

K,-4d# *.& JKLU<590H8\-D+#$%678./0NO e=H1|!2 -L!M N 1{55fg6678 ";Q1 7 1 

5>RothC ; Coleman and Jenkinson, +330?

, 



*+h8i9jk7Zl >:mbn( 0 mbnB07ZlZ] -, ;

7Zl >Shoji et al., +33-?

= YcOH8\F PzBDH  >HUM? (Q ¡<*¢0 R=  Q2 HUM

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(Q78opqZl '  r< s

RothC 678t4 F¥¦

=1 678#tuv= >wQ1#t467

678&*+mbn#$% SOC r<8 NO #§1|C

xyA$<5RothC 678 >?ῌ+? #z{ ,-#*2& #yA$<5

DNDC >De-Nitriﬁcation

<£

g6678&@¤e>?ῌ-?

 g6

>Shirato et al., ,**.?

DNDC 678& T1,- SOM S6784T ,-# %U 8i SOC r<and De-Composition? 678 >Li et al., +33,? NO #VNO&&-=  *+,- / ¨©8eE i9jk7Zl ªE2%!@ NO  ¤e

* >W?«¬­®¯RS© >¤ῌX,°®¯±²³Y´? µ-*/ῌ20*. ¶·¸¹fº»¼Z -ῌ+ῌ:  678 mbn ,- 8i9jk\  F +*/ ¼ K,**1M

16

῏ῌ+

´¦µ¶·¸ῌª|ῌ KRothCM ¹º BC$%&'O»

DNDC     !"#$%&'  () yDP.F?" Jv z/N#80 KShirato and Yokozawa,,**/M6

*+#,-.-/ SOC 0 12+#*3

= >?" SOC

1@A BC()3DE  DNDC

SOC 0

13F?G#HI

D@A#J KLῌ.M6  $%&'. 
N#JOP

 KShirato,

῎.&{|} RothC

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32!6 RothC P*

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5G ]!"#6 nQ U45
U_TY U`65 7/ !

,**/M6,QR RothC.ῌ ῍456 789 / :;<FP!SN#  2T RothC

 U / :;

#U SOC 85#J

9+#6 :p/#\`8ῌ"a; J,-* F'456 VW RothC ,#@AN q]! <=/#"- XQ() YZ6 [HI\ Dw89N#  \>8ῌ"aF]!^_!#`"a #D#b

 7/#  ῌF"ῌOF?G#\$cde" FHI<\N#; ?@!P N# a+#J

f g`"a hi]!#JPj/ !# #6Fkl#F[%GHI kl#F[&%GHI"G 7!m!' RothC "a(/]noncp*qr@A W89
HIVW2"a(*., ) &{|}  ¡¢zA£¤¥¦5 §BC$%&'¨QB!#J,Q`

FFH©&ª¤«¦ D¬+#­v
3W" RothC,-®¯]r#Jd°6 n F

I *.0 )st* () uP+w`"a #"j/±²

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VW RothC +w,-vx KL /M 

2 !6 ?@'()*+,-. : /0123456/78 9:ῌῌ,0 SOC   17 ! "#$%&

hij k +*/ l ],**1_

18

ῑῌ-LMNOP Q . RSTUVWXYZ SOC [G\ ]^_  RothC `'()ab\ ]cd : ef'() gd : 45'()_ CD;?0



   !"# $%&'()*+ ,-./0/ῌ ῍ ῐ ῏ ῎'()12345678 9:;<3=>;?
@AB SOC CD;? EFGHIJ # K

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῎ῌ.

19BC / DEFGHIJKLM NOPFQR"ST &5NOPFUV)WX!YZ[\]T DNDC & SOC ^_`abcd"Rdef g : NPK hRd i : NPKjklmVhRd no : NPK hbcd : Ro : NPKjklmVhbcd

  of nitrous oxide evolution from soil driven by   !"#$ %"&' ()rainfall events : +. Model structure and sensitivi-*+,-./0 123"45 (670ty. J. Geophys. Res., 31 : 31/3ῌ3110.

8 %"9:;<= >? 8 "@$ῌ ῐ ῏ ῍Coleman, K. and Jenkinson, D.S. (+330) : RothC-,0.-A
A model for the turnover of carbon in soil. In :McGill, W.B. (+330) : Review and classiﬁcation of ten
soil organic matter (SOM) models. In : Evaluation of Soil Organic Matter Models, Using Existing Long-Term Datasets, ed. D.S. Powlson et al.,pp. +++ῌ+-,, Springer, Berlin.

Evaluation of Soil Organic Matter Models :Shirato, Y. (,**/) : Testing the suitability of the DNDC

Using Existing Long-Term Datasets, ed. D.S.

model for simulating long-term soil organic

Powlson et al., pp. ,-1ῌ,.0, Springer, Berlin.

carbon dynamics in Japanese paddy soils. SoilLi, C., Frolking, S. and Frolking, T.A. (+33,) : A modelSci. Plant Nutr., /+ : +3+ῌ,**.

GHIJK L +*/ M 1,**1620

ῌῌ/ / 
 RothC  SOC   !"#$% &' RothC
()*+,-.$/0 1 23456 $ *., 7% 80 1
293456 $ *.0 7 :;< = : NPK >% ? : NPK@ABCD>% EF :NPK > !" : F : NPK@ABCD> !"

Shirato, Y., Hakamata, T. and Taniyama, I. (,**.) :land soils. Soil Sci. Plant Nutr., .3 : 3,+ῌ3,/.

Modiﬁed Rothamsted carbon model for Andosols

Shirato, Y. and Yokozawa, M. (,**/) : Applying theand its validation : changing humus decomposi-

Rothamsted Carbon Model for long-term experi-tion rate constant with pyrophosphate-extractablements on Japanese paddy soils and modifying it

Al. Soil Sci. Plant Nutr., /* : +.3ῌ+/2.

with simple tuning of decomposition rate. Soil

Shirato, Y. and Taniyama, I. (,**-) : Testing the suit-Sci. Plant Nutr., /+ : .*/ῌ.+/.

ability of the Rothamsted carbon model for long-Shoji, S., Nanzyo, M. and Dahlgren, R.A. (+33-) : Vol-term experiments on Japanese non-volcanic up-

canic Ash Soils, p. ,0-, Elsevier, Amsterdam.

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