Page 211 - 《水资源与水工程学报》2023年第1期
P. 211

!34 " ! 1 #                       & ' ( ) & * + , -                               Vol.34No.1
               2023 $ 2 %               JournalofWaterResources&WaterEngineering                 Feb.,2023

            DOI:10.11705/j.issn.1672-643X.2023.01.25


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                 FGHIJ:S275.6;TV93   KLMNO:A    KPQJ:1672643X(2023)01020709
                   Effectofupperandlowersoilmoisturelimitsonyieldandqualityof

                             dripirrigatedspringmaizeinthenorthernXinjiang

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                                                                       3
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                          CHANGHao ,HONGMing ,CHENZhiqing,LANXi ,GAORui
                 (1.CollegeofHydraulicandCivilEngineering,XinjiangAgriculturalUniversity,Urumqi830052,China;2.XinjiangKey
                  LaboratoryofHydraulicEngineeringSafetyandWaterDisasterPrevention,Urumqi830052,China;3.XinjiangInstitute
                                   ofWaterResourcesandHydropowerResearch ,Urumqi830049,China)
                 Abstract:Itisnecessarytodeterminetheappropriateupperandlowersoilmoisturelimitsfordripirriga
                 tedspringmaize (ZeamaysL.)ateachgrowthstagetoprovideatheoreticalbasisfortheupgradingof
                 maizeirrigationmanagementinXinjiang.Cultivar “Taiyu339”waschosenasthetestmaterial,and
                 threeupperandlowerlimitsofsoilmoisture(50% ~80%FC,60% ~90%FC,70% ~100%FC,FCis
                 thefieldcapacity)weresetatthejointingstage,flowering-fillingstageandfilling-maturitystageof
                 maizerespectivelyandninetreatmentswereestablishedtoanalyzetheeffectofdifferentmoisturecontents
                 onthegrowthindicators ,yield,qualityandwateruseefficiency(WUE)ofspringmaizeusingtheorthog
                 onalexperimentaldesignmethod.Theresultsshowedthattheplantheight,abovegrounddrymatter
                 mass ,leafareaindex(LAI)andyielddecreasedsignificantlywhenthesoilmoisturecontentwasmain
                 tainedat50% ~80% FCineachgrowthperiod,butwateruseefficiencyincreased.Ingeneral,theyield
                                                                    2
                 ofT treatmentwasthehighest,whichwas17,114.51kg/hm;T treatmenthadthehighestWUE,3.11
                                                                        4
                    3
                     3
                 kg/m.Furthermore,Increasingtheupperandlowerlimitsofsoilmoisturecontentduringthefilling-
                 maturityperiodwasbeneficialtoincreasingthecontentofcrudeprotein ,crudefatandstarchinmaize,a
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                        2022 ); ?S˜ŸWœzpIEÔJ?./(XJEDU2017T004)
                +,-.: • Ì(1998-), b, £r#AE, KG+^L, +^µf¾ÑÒ1YZɹ2。
                /0+,: ¥ Å(1980-), b, ?SB.TE, KG, HIJ, KGLMN, OPQRD1†®\KX?3#+^。
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