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Effects of Foliar Selenium on the Forage Yield of Alfalfa and Selenium Absorption Characteristics

叶面施硒对紫花苜蓿产草量及吸硒特性的影响



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 Vol.23  No.6
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  Nov.  2015
犱狅犻:10.11733/j.issn.10070435.2015.06.032
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HUHuafeng1,WANGYanhua2,LIMing1,JIEXiaolei3,GUOXiao1,LIUShiliang4,LIJianping1
(1.HenanUniversityofAnimalHusbandryandEconomy,Zhengzhou,HenanProvince450011,China;
2.TheForageandFeedStationofHenanProvince,Zhengzhou,HenanProvince450008,China;
3.HuanghuaiUniversity,Zhumadian,HenanProvince463000,China;
4.ColegeofResourcesandEnvironment,HenanAgriculturalUniversity,Zhengzhou,HenanProvince450002,China)
犃犫狊狋狉犪犮狋:Toincreasetheseleniumfertilizerutilizationrateofalfalfa(犕犲犱犻犮犪犵狅狊犪犾犻狏犪)andexplorethese
leniumabsorptioncharacteristicsofalfalfa,theinfluencesoffoliarseleniumontheforageyieldandseleni
umabsorption,conversionaswelasuseefficiencyofalfalfawerestudiedbysprayingseleniumtoalfalfa.
TheresultsshowedthatsprayingSefertilizeronalfalfaleavescouldimprovetheyieldofalfalfa.Theyield
ofalfalfaincreasedfirstandthendecreasedwiththeincreaseofSefertilizer,andthebestamountofSewas
100mg·kg-1.Theforageyieldofalfalfaafterapplying100mg·kg-1Sefertilizerwassignificantly(犘<
0.05)higherthanthatwithoutsprayingSefertilizer,buttherewasnosignificantdifferenceamongtreat
mentsofspraying50,70and200mg·kg-1Sefertilizers.TheSeabsorptionrateofalfalfaincreasedwith
theincreaseofsprayingSefertilize,andtheconversionrateoforganicSeandtheutilizationratioofSefer
tilizerincreasedfirstandthendecreasedwiththeadditionofSefertilizer.Theconversionratesoforganic
SeaftersprayingSefertilizersweresignificantly(犘<0.05)higherthanthatwithoutsprayingSefertilizer,
andtherewasnosignificantdifferenceamongtreatmentsofsprayingSefertilizers.Theutilizationratioof
Sefertilizerofalfalfawasthehighestbyspraying50mg·kg-1Sefertilizer.
犓犲狔狑狅狉犱狊:Foliarselenium;Alfalfa;Absorption;Organicseleniumtransformationrate;Seleniumfertiliz
erutilizationrate
CDEF
:20140613;GHEF:20140827
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Authorforcorrespondence,Email:jiexl@263.net
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Fig.1 EffectofSeontheherbageyieldofalfalfa
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Table1 EffectsofSefoliarapplicationonthetotalSe,inorganicSeandorganicSecontentsandaccumulationsofalfalfa
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/mg·kg-1
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Contents/mg·kg-1
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Accumulations
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Contents/mg·kg-1
–—º
Accumulations
/g·hm-2

Contents/mg·kg-1
–—º
Accumulations
/g·hm-2
0 0.37g 1.30e 0.20g 0.71e 0.16e 0.59e
30 2.78f 10.92e 1.03f 4.04e 1.75e 6.87e
50 5.97e 28.28d 1.97e 9.31d 4.00d 18.98d
70 8.09d 39.03cd 2.46d 11.91d 5.64cd 27.12cd
100 9.93c 51.33c 3.02c 15.55c 6.91c 35.79c
200 17.42b 81.45b 5.96b 27.74b 11.47b 53.71b
300 28.75a 121.35a 10.77a 45.39a 17.99a 75.96a
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Table2 EffectsofSefoliarapplicationonthe
transformationrateoforganicSeanduseefficiency
ofSefertilizationinalfalfa
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Serate
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Transformationrate
oforganicSe/%
QªŽ¢²
Useefficiencyof
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0 44.17b —
30 62.73a 31.32c
50 66.32a 52.71a
70 68.93a 52.66a
100 69.33a 48.87ab
200 65.74a 39.14bc
300 62.56a 39.09bc
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