全 文 :!24" !1#
Vol.24 No.1
! " # $
ACTA AGRESTIA SINICA
2016$ 1%
Jan. 2016
犱狅犻:10.11733/j.issn.10070435.2016.01.027
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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
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YANGXiao1,LIULele2,ZHUXinqiang1,YUChengqun3,LIJinhua1
(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
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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
ê?1
HeilongjiangInstituteofHusbandry
îBYCanada
4 ‘’Derby
&()*+,ÈYê?\Î/01
LanzhouInstituteofHusbandryandPharmaceuticalSciencesofCAAS
>È
Netherlands
5 ‘#w@’Dupuits ¢ê?1JilinInstituteofHusbandry âFrance
6 ‘¶_’Queen
67()Y+
GansuAgriculturalUniversity
VAmerica
7 ‘É’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
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Number
1GïS
Variety
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Source
.¤_
Origin
12 ‘ìí{’Alfaking
67()Y+
GansuAgriculturalUniversity
VAmerica
13 ‘?I’AmeriGraze
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LanzhouInstituteofHusbandryandPharmaceuticalSciencesofCAAS
VAmerica
14 ‘_¢ë’Sartoux
ê?1
HeilongjiangInstituteofHusbandry
VAmerica
15 ‘8’Sited
&()*+,ÈYê?\Î/01
LanzhouInstituteofHusbandryandPharmaceuticalSciencesofCAAS
VAmerica
16 ‘ñÏ’Sanditi
&()*+,ÈYê?\Î/01
LanzhouInstituteofHusbandryandPharmaceuticalSciencesofCAAS
>È
Netherlands
17
‘
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Xinjiangdaye
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XinjiangAgriculturalUniversity
&China
18 ‘Ý’Eureka
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LanzhouInstituteofHusbandryofCAAS
>ÈAmerica
19
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&È1{’
ZhonglanNo.1
&()*+,ÈYê?\Î/01
LanzhouInstituteofHusbandryandPharmaceuticalSciencesofCAAS
&China
20
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ZhongmuNo.1
&()*+,ê?/01
LanzhouInstituteofHusbandryofCAAS
&China
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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 zóøWñò~1m4129}
Table3 Relativedegreebetweenclimatefactorsandfirstmowingyield
R5mClimatefactors
$V Year
2011 2012 2013
A
Relativedegree
Rank
Q`Precipitation/mm 0.5862 0.6929 0.7843 0.6878 2
R©Û Meantemperature/℃ 0.5404 0.7305 0.7511 0.6740 3
òÒ2ëSunshinehours/h 0.4671 0.5472 0.5445 0.5196 8
ò©ÝÛ Meandailyminimumtemperature/℃ 0.6360 0.7475 0.7351 0.7062 1
ò©ÝsÛ 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
DARelativehumidity 0.5491 0.7275 0.6461 0.6409 4
≥5℃ÖÛ ≥5℃ Accumulatedtemperature/℃ 0.4643 0.7237 0.6381 0.6087 6
2.2 41Wzóø29)
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`4 zóøWñò~2m4129}
Table4 Relativedegreebetweenclimatefactorsandyieldofsecondmowing
R5mClimatefactors
$V Year
2011 2012 2013
A
Relativedegree
Rank
Q`Precipitation/mm 0.5039 0.6271 0.5238 0.5516 4
R©Û Meantemperature/℃ 0.5758 0.7027 0.6982 0.6589 1
òÒ2ëSunshinehours/h 0.4982 0.5316 0.4606 0.4968 8
ò©ÝÛ Meandailyminimumtemperature/℃ 0.5954 0.6739 0.5841 0.6178 2
ò©ÝsÛ 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
DARelativehumidity 0.4851 0.5634 0.5748 0.5411 5
≥5℃ÖÛ ≥5℃ Accumulatedtemperature/℃ 0.5236 0.6922 0.5701 0.5953 3
`5 zóøWñò~3m4129}
Table5 Relativedegreebetweenclimatefactorsandyieldofthirdmowing
R5mClimatefactors
$V Year
2011 2012 2013
A
Relativedegree
Rank
Q`Precipitation/mm 0.6613 0.6070 0.6912 0.6532 3
R©Û Meantemperature/℃ 0.6268 0.6727 0.7257 0.6751 1
òÒ2ëSunshinehours/h 0.5657 0.5837 0.6281 0.5925 6
ò©ÝÛ Meandailyminimumtemperature/℃ 0.6162 0.6839 0.6759 0.6587 2
ò©ÝsÛ 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
DARelativehumidity 0.6198 0.6134 0.6646 0.6326 5
≥5℃ÖÛ ≥5℃ Accumulatedtemperature/℃ 0.6998 0.5923 0.6363 0.6428 4
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m6>m7;6%≥5℃ÖÛT AYuÿn:m5
>m3>m4>m9>m6>m8>m7。
`6 zóøWñò÷b4129}
Table6 Relativedegreebetweenclimatefactorsandtotalfreshyield
R5mClimatefactors
$V Year
2011 2012 2013
A
Relativedegree
Rank
Q`Precipitation/mm 0.7117 0.7617 0.7082 0.7272 1
R©Û Meantemperature/℃ 0.6904 0.7057 0.6898 0.6953 2
òÒ2ëSunshinehours/h 0.6473 0.6801 0.6511 0.6595 6
ò©ÝÛ Meandailyminimumtemperature/℃ 0.6765 0.6833 0.6919 0.6839 3
ò©ÝsÛ 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
DARelativehumidity 0.6108 0.6112 0.6689 0.6303 7
≥5℃ÖÛ ≥5℃ Accumulatedtemperature/℃ 0.6277 0.7052 0.6843 0.6724 4
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`7 zóøWñò4129}
Table7 Relativedegreebetweenmonthlyclimatefactorsandtotalfreshyield
%V
Month
Q`
Precipitation
/mm
R©Û
Mean
temperature/℃
òÒ2ë
Sunshine
hours/h
ò©ÝÛ
Meandaily
minimum
temperature/℃
ò©ÝsÛ
Meandaily
maximum
temperature/℃
R©ÐØ
Meanwind
speed
/m·s-1
DA
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
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