Page 212 - 《水资源与水工程学报》2022年第5期
P. 212

! 33 " ! 5 #                      & ' ( ) & * + , -                               Vol.33No.5
               2022 $ 10 %              JournalofWaterResources&WaterEngineering                 Oct.,2022

            DOI:10.11705/j.issn.1672-643X.2022.05.26


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                                               Ãà- , á â , »ãä           3
                      (1. 1&GUP& ½d£¹1ie-;©CI!"Jefgh, o1 1& 710048;2. „—jÃP&
                           DEWNO&Y, „— ãÿýR 830052;3. É×ýP& j&Y, „— hïî 843300)

                 C D: BJVæ、 ç、 |ٞ²äyä0Gÿ„áé}M;r、 Vt;Ê6ÔµWS²{eDé6 ¦§ÁÓ
                 Ù<²ä, =—}š" 7 Õٞ²ä(N∶PO∶KO) \G:CK(0∶0∶0)、A(1∶1∶1)、B(1∶0.25∶1.25)、C(1∶0.4∶
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                0.27)、D(1∶0.23∶0.20)、E(1∶0.34∶0.23) … F(1∶0.17∶0), և}MVtdòÊ}µÔDS²、 é6…ÿÇ<Q。
                 ÉßÎà: W CK }M;r¬sL;r͒ïãä,C、E、A、B、D、F \GSNij— 19.56%、18.17%、15.65%、
                13.50%、10.55%… 8.68%; W CK }M;r¬A’ãy;r͒ïãä,B、C、A、E、D\GSNij— 6.46%、
                4.51%、3.36%、2.53%、2.47%, t F \G„·— 0.67%; W CK }M‚¤;c¬Vtd;Ê6ir͒ïãä,
                 B、C、A、D、E\GSNij— 29.69%、19.20%、17.94%、12.38%、11.67%, t F \G„·— 2.28%。‚¤\Gy
                 }M~J ¦§°P, y_J ¦§°±; y}M;"S² ¦§°P, yèJä ¦§°±。)ÐSTÎà;_
                 J…´_Qy}Mé6êÜJ«O£; ª“SSTÎà A\G®S°ë,E\G·n,CK\G°¸。>?“ßá
                 Bä0G}šLGÙ<•ð®¯+R。
                 EFG: C<‹LÓ; nS²ä; ÿ„áé; é6; )ÐST; ª“SST; }M
                 HIJKL:S275.6;TV93   MNOPQ:A    MRSL:1672643X(2022)05020808

                Responseofsaltstressedcottongrowthandyieldunderfilm mulcheddrip
                   irrigationtotopdressingratioofnitrogen ,phosphorusandpotassium

                                                                2
                                                                               3
                                                      1
                                         NINGSongrui,YANAn,LIUWeiyang
                  (1.StateKeyLaboratoryofEcohydraulicsinNorthwestAridRegionofChina,Xi’anUniversityofTechnology,Xi’an
                      710048,China;2.CollegeofResourcesandEnvironmentScience,XinjiangAgriculturalUniversity,Urumqi
                               830052,China;3.CollegeofAgriculture,TarimUniversity,Alal843300,China)
                 Abstract:Theeffectoftopdressingratioofnitrogen,phosphorusandpotassium onthegrowthrate,
                 yield,biomasscumulativeanddistributiontraitofsaltstressedcottonunderfilmmulcheddripirrigation
                 wasdiscussedandthetopdressingratiowasoptimizedbythefieldexperimentinsouthXinjiangAutono
                 mousRegion.Seventreatmentswithdifferenttopdressingratiosofnitrogen ,phosphorusandpotassium
                 (N∶PO∶KO)weresetinthefieldexperiment,namely,CK(0∶0∶0),A(1∶1∶1),B(1∶0.25∶1.25),
                           2
                     2 5
                 C(1∶0.4∶0.27),D(1∶0.23∶0.20),E(1∶0.34∶0.23)andF(1∶0.17∶0).Theaccumulationanddistri
                 butionofdrymatter ,yieldandharvestindexofcottonweremeasuredaccordingly.Theresultsshowed
                 thatcomparedwiththeaveragecolonygrowthrateofCK,treatmentsofC,E,A,B,DandFincreased
                 by19.56%,18.17%,15.65%,13.50%,10.55% and8.68%,respectively.Comparedwiththe
                 meanrelativegrowthrateofCK ,treatmentsofB,C,A,EandD increasedby6.46%,4.51%,
                3.36%,2.53% and2.47%,respectively;whereastreatmentFdecreasedby0.67%.Comparedwith
                 theaveragegrowthrateofcottonabovegroundbiomassofCK,treatmentsofB,C,A,DandEincreased

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                        (2022B02003); „—#5-JP%l_)(2020A01003-3); ŽÑS=%l›„4>‚ò)*(2022CB001-07)
                +,-.: ùU/(1985-), /, o1l”4, 56, 789, :6;<=, ª«†<jÃC<äëÝ[b>?。
                /0+,: X &(1983-), /, ¨MD24, 56, 89, 56;<=, ª«†<jÃDEWNO>?。
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