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Grey Relevancy Analysis of Alfalfa Yield and Climate Factors in River Valley of Tibet

西藏河谷地区紫花苜蓿产量与气象因子灰色关联分析



全 文 :!24" !1#
 Vol.24  No.1
! " # $
ACTA AGRESTIA SINICA
   2016$  1%
  Jan.  2016
犱狅犻:10.11733/j.issn.10070435.2016.01.027
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:S541.1    ABCDE:A     AFG@:10070435(2016)01019806
犌狉犲狔犚犲犾犲狏犪狀犮狔犃狀犪犾狔狊犻狊狅犳犃犾犳犪犾犳犪犢犻犲犾犱犪狀犱犆犾犻犿犪狋犲犉犪犮狋狅狉狊犻狀
犚犻狏犲狉犞犪犾犲狔狅犳犜犻犫犲狋
YANGXiao1,LIULele2,ZHUXinqiang1,YUChengqun3,LIJinhua1
(1.LanzhouInstituteofHusbandryandPharmaceuticalSciencesofCAAS,Lanzhou,GansuProvince730050,China;
2.LanzhouInstituteofGardeningResearch,Lanzhou,GansuProvince730070,China;3.InstituteofGeographicSciencesand
NaturalResourcesResearch,CAS,Beijing100101,China)
犃犫狊狋狉犪犮狋:OurobjectivewastoexaminetheeffectofclimatefactorsonalfalfayieldinrivervaleyofTibet.
Byusinggreyrelevancyanalysis(GRA),therelevancydegreebetweenyield(totalfreshyieldandyieldof
eachmowing)of20alfalfacultivarsandclimatefactors(includingprecipitation,sunshinehours,mean
temperature,accumulatedtemperatureabove5℃,meanmaximumtemperature,meanminimumtempera
ture,meanwindspeedandrelativehumidity)ingrowingseasonwasstudiedintherivervaleyofTibet.
Resultsshowedthatmeanminimumtemperatureaffectedtheyieldofthefirstmowingmostly,andclimate
factoraffectingregrowthyieldwasprimarilytemperatureindex.Climatefactorsthataffectedtotalfresh
yieldwereprecipitationonMay,JuneandJulyandmeanminimumtemperatureonMarch,AprilandMay.
Thereweredifferentclimatefactorsaffectingtotalfreshyieldandeverymowingfreshyield,therefore,
correspondingmeasuresshouldbeadoptedinpractice.
犓犲狔狑狅狉犱狊:Rivervaley;Alfalfa;Herbageyield;Climatefactors;Relevancydegree
HIJK
:20141013;LMJK:20150124
NOPQ

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correspondence,Email:ljh63814@sina.com
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Table1 Sourcesandvarietiesofalfalfaintheexperiment
³{
Number
1GïS
Variety
ç”
Source
.¤_
Origin
1 ‘梿¸’Algonquin
67()Y+
GansuAgriculturalUniversity
îBYCanada
2 ‘:ú/’Polaris
&()*+,ÈYê?\Î/01
LanzhouInstituteofHusbandryandPharmaceuticalSciencesofCAAS
VAmerica
3 ‘ʤ¢’Beaver
›œžê?1
HeilongjiangInstituteofHusbandry
îBYCanada
4 ‘‡‰’Derby
&()*+,ÈYê?\Î/01
LanzhouInstituteofHusbandryandPharmaceuticalSciencesofCAAS

Netherlands
5 ‘#w@’Dupuits ­¢ê?1JilinInstituteofHusbandry âFrance
6 ‘¶_’Queen
67()Y+
GansuAgriculturalUniversity
VAmerica
7 ‘œÉ’AmeriStand
67()Y+
GansuAgriculturalUniversity
VAmerica
8 ‘\#’Kane
&()*+,ÈYê?/01
LanzhouInstituteofHusbandryofCAAS
VAmerica
9 ‘aWd’Ladakh
&()*+,ÈYê?/01
LanzhouInstituteofHusbandryandPharmaceuticalSciencesofCAAS
†AIndia
10 ‘‘‹Ã’Resis
&()*+,ÈYê?\Î/01
LanzhouInstituteofHusbandryandPharmaceuticalSciencesofCAAS
%^Denmark
11 ‘d_d’Cossak
&()*+,ÈYê?\Î/01
LanzhouInstituteofHusbandryandPharmaceuticalSciencesofCAAS
‡”ÃRussia
991
! " # $ !24"
„g1
³{
Number
1GïS
Variety
ç”
Source
.¤_
Origin
12 ‘ìí{’Alfaking
67()Y+
GansuAgriculturalUniversity
VAmerica
13 ‘?I’AmeriGraze
&()*+,ÈYê?\Î/01
LanzhouInstituteofHusbandryandPharmaceuticalSciencesofCAAS
VAmerica
14 ‘_¢ë’Sartoux
›œžê?1
HeilongjiangInstituteofHusbandry
VAmerica
15 ‘ˆ8’Sited
&()*+,ÈYê?\Î/01
LanzhouInstituteofHusbandryandPharmaceuticalSciencesofCAAS
VAmerica
16 ‘ñ‡Ï’Sanditi
&()*+,ÈYê?\Î/01
LanzhouInstituteofHusbandryandPharmaceuticalSciencesofCAAS

Netherlands
17

ÂÜYX

Xinjiangdaye
ÂÜ()Y+
XinjiangAgriculturalUniversity
&China
18 ‘݉’Eureka
&()*+,ÈYê?/01
LanzhouInstituteofHusbandryofCAAS
>ÈAmerica
19

&È1{’
ZhonglanNo.1
&()*+,ÈYê?\Î/01
LanzhouInstituteofHusbandryandPharmaceuticalSciencesofCAAS
&China
20

&ì1{’
ZhongmuNo.1
&()*+,ê?/01
LanzhouInstituteofHusbandryofCAAS
&China
1.3 jkXY
BC&Ê\T20M2e_xìí1Gé
2011$GJ,ÜBCŽå!RWÙ_,0Š。uŽ
ÓÖ2 m×4 m,Íb,‘ù 33.3cm,b` 15
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<_,

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d0.01kg[14]。
ŠR“ýèBCҊRDÃқœ

1.4 lm>r
ÔdExcel2007DëÏ\‘^²=•。Ð_
xìí-¤`6܊R5mcn3p]^

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`nž^ëj狓0,js`、òÒ2ë、R©ŠÛ、
≥5℃ÖÛ、ò©ÝsŠÛ、ò©Ý€ŠÛ、R©Ð
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ˆDŸA?cnž¸ëj狓犻,nh"ŠR5u
=>ìíÜ4-¤`T‰]

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%n÷Ÿ\‘kl³{

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ìí-¤`T‰ A
[15]。
^²Òâ~œ

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犻=1,2,3,…,狀,ò狓0={狓0(1),狓0(2),狓0(3),…,
狓0(狀)},x犻={狓犻(1),狓犻(2),狓犻(3),…,狓犻(狀)},(n
狓0 狓犻L!犽­Tï`Ç8½ðëÏ。
ξ犻(犽)=
min犻min犽 狓0(犽)-狓犻(犽)-ρmax犻max犽 狓0(犽)-狓犻(犽)
狓0(犽)-狓犻(犽)-ρmax犻max犽 狓0(犽)-狓犻(犽)
(1)
  â(1)&|x0(犽)-x犻(犽)|=△犻(犽)g˜狓0 ëj
狓犻ëjL!犽­T^DØ;min犽|x0(犽)-x犻(犽)|
Úß9ÝuØ

ËL^DØ|x0(犽)-x犻(犽)|&26
@犽g‘&Ýu™;min犻min犽|x0(犽)-x犻(犽)|
Úå9ÝuØ

ËLmin犽|x0(犽)-x犻(犽)|&26@犻
g‘&Ýu™

@ù max犽|x0(犽)-x犻(犽)|Ú
ß9ÝYØ
,max犻max犽|x0(犽)-x犻(犽)|Úå9ÝY
Ø
。ρn=²Ý]ë,cdLé›s‰ ]ë%T
غ…†

fL0~1,»Šfρ=0.50,4n@
?• «

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(犽)[1619]。
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‹Œz‡_ŽÊGT_xìí!14-¤`×
Øc-¤`T45%~55%,!24n30%~42%,
!34n6%~17%,Ü4-Dìíc-¤`|}
À2%í‚

!141ظáÝs,v24þØc-
002
!1# ƒ ¾?:‹Œz‡_Ž_xìí¤`ŠR5m3p‰ =•
¤`T88%­®(g2)。èg3Lã,ŠR5m
!14-¤`T‰ AYuÿ“n:ò©Ý€ÛA
>Q`>R©ŠÛ>ˆDŸA>R©ÐØ>≥
5℃ÖÛ>ò©ÝsÛA>òÒ2%。èé!14
ìí9Ÿ%Óéôö€Ûš‰2#

5.ò©Ý€
ÛA6Q`D!14-¤`TUVûY。ò©Ý
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Table2 Eachmowingandtotalfreshyieldof20alfalfacultivars
³{
Number
14¼-¤`
1stmowingfreshyield/kg·hm-2
24¼-¤`
2ndmowingfreshyield/kg·hm-2
34¼-¤`
3rdmowingfreshyield/kg·hm-2
c¼-¤`
Totalfreshyield/kg·hm-2
1 18700 20625 6625 45950
2 19500 31500 8400 59400
3 16500 17000 6000 39500
4 17000 15100 4400 36500
5 13150 13000 5000 31150
6 18300 11750 2300 32350
7 16100 13500 1200 30800
8 39500 26000 4400 69900
9 18300 30500 3400 52200
10 22800 26500 10800 60100
11 19000 26000 6800 51800
12 25000 30000 6200 61200
13 14100 20000 2600 36700
14 22150 19250 3300 44700
15 26800 23500 10400 60700
16 16500 33000 10800 60300
17 48000 35000 8200 91200
18 15800 22000 10000 47800
19 18450 28250 9250 55950
20 21500 27000 7800 56300
`3 zóøWñò~1mŒ4129}€
Table3 Relativedegreebetweenclimatefactorsandfirstmowingyield
ŠR5mClimatefactors
$V Year
2011 2012 2013
‰ A
Relativedegree
Ÿ“
Rank
Q`Precipitation/mm 0.5862 0.6929 0.7843 0.6878 2
R©ŠÛ Meantemperature/℃ 0.5404 0.7305 0.7511 0.6740 3
òÒ2ëSunshinehours/h 0.4671 0.5472 0.5445 0.5196 8
ò©Ý€ŠÛ Meandailyminimumtemperature/℃ 0.6360 0.7475 0.7351 0.7062 1
ò©ÝsŠÛ Meandailymaximumtemperature/℃ 0.4887 0.6855 0.5571 0.5771 7
R©ÐØ Meanwindspeed/m·s-1 0.5402 0.7350 0.6127 0.6293 5
ˆDŸARelativehumidity 0.5491 0.7275 0.6461 0.6409 4
≥5℃ÖÛ ≥5℃ Accumulatedtemperature/℃ 0.4643 0.7237 0.6381 0.6087 6
2.2 Œ41Wzóø29)
èg4Lã,!24ìí-¤`‘9Ÿ#
%TŠR5m‰ AYuÿ“n

R©ŠÛ>ò
©Ý€ŠÛ>≥5℃ÖÛ>Q`>ˆDŸA>
ò©ÝsŠÛ>R©ÐØ>òÒ2%;èg5L
ã

!34ìí-¤`‘9Ÿ#%TŠR5m
‰ AYuÿ“n

R©ŠÛ>ò©Ý€ŠÛ>
Q`>≥5℃ÖÛ>ˆDŸA>òÒ2%>ò
©ÝsŠÛ>R©ÐØ。è.Lr,UVìíU
9-TŠ‹5mÌ«nR©ÛAËp`»F

!24-T9ŸÓéÛAÝsT%s,ˆD€Û
ÍÖJÏéìí9Ÿ°J

‘‰ A=•Agh
¡.ß­

.@2

èéz‡_ÜTÙF6ò
ÒÇb?.5

°°`ûs

LïïXTÍ֜

tTsD?-¤`UV@:͉•«

2.3 à2Œ41Wzóø29)fg€ëpv
èg6Lã,Dìíc-¤`UVtYTŠ‹
5mÚQ`

R©ŠÛ

ò©Ý€ŠÛ6≥5℃Ö
Û

‘“Úò©ÝsŠÛ

òÒ2%

ˆDŸA


ÐØDc-¤`TUVÝu

èé9Ÿ#2%ˆD
€ª«_ŽtC

R©ÛAAt€

ò°°`ts

Q`6R©ŠÛ’nUVc-¤`TñM‰5
u

!146!24Dcìí-¤`|}Ýs,n
Q6tsTŠÛ‡`Óé.24-#%,JÏé1、
24-¤`|c-¤`T›s。
102
! " # $ !24"
`4 zóøWñò~2mŒ4129}€
Table4 Relativedegreebetweenclimatefactorsandyieldofsecondmowing
ŠR5mClimatefactors
$V Year
2011 2012 2013
‰ A
Relativedegree
Ÿ“
Rank
Q`Precipitation/mm 0.5039 0.6271 0.5238 0.5516 4
R©ŠÛ Meantemperature/℃ 0.5758 0.7027 0.6982 0.6589 1
òÒ2ëSunshinehours/h 0.4982 0.5316 0.4606 0.4968 8
ò©Ý€ŠÛ Meandailyminimumtemperature/℃ 0.5954 0.6739 0.5841 0.6178 2
ò©ÝsŠÛ Meandailymaximumtemperature/℃ 0.4773 0.5730 0.5061 0.5188 6
R©ÐØ Meanwindspeed/m·s-1 0.5235 0.5335 0.4634 0.5068 7
ˆDŸARelativehumidity 0.4851 0.5634 0.5748 0.5411 5
≥5℃ÖÛ ≥5℃ Accumulatedtemperature/℃ 0.5236 0.6922 0.5701 0.5953 3
`5 zóøWñò~3mŒ4129}€
Table5 Relativedegreebetweenclimatefactorsandyieldofthirdmowing
ŠR5mClimatefactors
$V Year
2011 2012 2013
‰ A
Relativedegree
Ÿ“
Rank
Q`Precipitation/mm 0.6613 0.6070 0.6912 0.6532 3
R©ŠÛ Meantemperature/℃ 0.6268 0.6727 0.7257 0.6751 1
òÒ2ëSunshinehours/h 0.5657 0.5837 0.6281 0.5925 6
ò©Ý€ŠÛ Meandailyminimumtemperature/℃ 0.6162 0.6839 0.6759 0.6587 2
ò©ÝsŠÛ Meandailymaximumtemperature/℃ 0.5570 0.5928 0.5658 0.5719 7
R©ÐØ Meanwindspeed/m·s-1 0.4651 0.4936 0.5450 0.5012 8
ˆDŸARelativehumidity 0.6198 0.6134 0.6646 0.6326 5
≥5℃ÖÛ ≥5℃ Accumulatedtemperature/℃ 0.6998 0.5923 0.6363 0.6428 4
  =•ìíÌ«9Ÿ#3-9%#%TŠRÍց
ìíc-¤`T‰]Lã

g7),ìíc-¤`6
%Q`T‰ AYuÿ“n
(m:month):m5>m6
>m7>m4>m9>m8>m3;6%R©ÛAT‰ 
AYuÿ“n
:m4>m3>m8>m7>m9>m5>m6;
6%òÒ2뉠AYuÿ“n
:m7>m9>m5>
m8>m4>m3>m6;6%ò©Ý€ŠÛT‰ AY
un
:m4>m8>m3>m9>m5>m7>m6;6%ò
©ÝsŠÛT‰ AYuÿ“n
:m5>m3>m4>m9
>m6>m8>m7;6%R©ÐØT‰ AYuÿ“
n
:m8>m9>m4>m5>m3>m6>m7;6%ˆD
ŸA‰ AYuÿ“n
:m3>m5>m4>m7>m8>
m6>m7;6%≥5℃ÖÛT‰ AYuÿ“n:m5
>m3>m4>m9>m6>m8>m7。
`6 zóøWñò÷b–Œ4129}€
Table6 Relativedegreebetweenclimatefactorsandtotalfreshyield
ŠR5mClimatefactors
$V Year
2011 2012 2013
‰ A
Relativedegree
Ÿ“
Rank
Q`Precipitation/mm 0.7117 0.7617 0.7082 0.7272 1
R©ŠÛ Meantemperature/℃ 0.6904 0.7057 0.6898 0.6953 2
òÒ2ëSunshinehours/h 0.6473 0.6801 0.6511 0.6595 6
ò©Ý€ŠÛ Meandailyminimumtemperature/℃ 0.6765 0.6833 0.6919 0.6839 3
ò©ÝsŠÛ Meandailymaximumtemperature/℃ 0.7238 0.6017 0.6881 0.6712 5
R©ÐØ Meanwindspeed/m·s-1 0.5412 0.6415 0.6461 0.6096 8
ˆDŸARelativehumidity 0.6108 0.6112 0.6689 0.6303 7
≥5℃ÖÛ ≥5℃ Accumulatedtemperature/℃ 0.6277 0.7052 0.6843 0.6724 4
3 ˆ‰
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Table7 Relativedegreebetweenmonthlyclimatefactorsandtotalfreshyield
%V
Month
Q`
Precipitation
/mm
R©ŠÛ
Mean
temperature/℃
òÒ2ë
Sunshine
hours/h
ò©Ý€ŠÛ
Meandaily
minimum
temperature/℃
ò©ÝsŠÛ
Meandaily
maximum
temperature/℃
R©ÐØ
Meanwind
speed
/m·s-1
ˆDŸA
Relative
humidity
≥5℃ÖÛ
≥5Accumulated
temperature/℃
‰ A
Relative
degree
il
Sort
‰ A
Relative
degree
il
Sort
‰ A
Relative
degree
il
Sort
‰ A
Relative
degree
il
Sort
‰ A
Relative
degree
il
Sort
‰ A
Relative
degree
il
Sort
‰ A
Relative
degree
il
Sort
‰ A
Relative
degree
il
Sort
3 0.5713 7 0.7049 2 0.7238 6 0.7148 3 0.8224 2 0.8100 5 0.8189 1 0.7621 3
4 0.6249 4 0.7296 1 0.6781 5 0.7399 1 0.7192 3 0.7151 3 0.7212 3 0.7034 6
5 0.6945 1 0.7043 6 0.6778 3 0.7101 5 0.7041 1 0.6999 4 0.7044 2 0.6984 5
6 0.6888 2 0.6985 7 0.6800 7 0.7011 7 0.6984 5 0.6960 6 0.6981 6 0.6950 7
7 0.6617 3 0.6947 4 0.6796 1 0.6962 6 0.6946 7 0.6921 7 0.6943 4 0.6912 4
8 0.5937 6 0.6909 3 0.6795 4 0.6918 2 0.6904 6 0.6887 1 0.6902 5 0.6879 1
9 0.6021 5 0.689 5 0.6791 2 0.6898 4 0.6883 4 0.6869 2 0.6882 7 0.6861 2
4 p‰
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UV
[J].&-_+i,2008,30(2):510
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