Page 220 - 《水资源与水工程学报》2023年第1期
P. 220

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

            DOI:10.11705/j.issn.1672-643X.2023.01.26


                           ÷¼½¾¿ÀÁÊÂÃÄxÅÆU

                                          <ÕsÇfƔg1


                                             1
                                   1
                                                       1
                                                                                    3
                                                                           2
                                                                 1
                            Ø:: , ZÙÚ , ÛÜÜ , .ËÝ , iXW , Þ u , ‚ Ú                         1
                     (1. ,-ÑÒie 121Ä%&el, ,- Ïh 730070;2. ,-0*eluMœžŸyz+^³,
                                   ,- Ïh 730000;3. ,-012*e+^l, ,- Ïh 730000)
                 A B: ¾­%02Û͆p1YZõí、 j¶ëP]½ˆ›、 ØnÙÚøý]Ž>, Œ02†p¬F+ÜÝ
                                                  2
                                                                                                    2
                 (CK)、 oSÜÝ(S)( oSÚ¾ 4500kg/hm)、 uGÜÝ(F)、 SfoEGÜÝ(SF)( oSÚ¾ 4000kg/hm )、 S
                                                                                1
                                                                                             2
                                                                                         3
                                                  2
                 foEGÜÝ(SF)( oSÚ¾ 4500kg/hm)5 «^\, ρãuÑ&‡ˆ†®1s(750m /hm ), +^ÿØn
                              2
                 LT]½fj¶p™´ê›。ÃijÅ: SfoEGÜÝ(SF) ^\vj¶¥¿ÇøɅ`ä^\, ¦c)æ¢
                                                                 1
                 ɍn1¹Ä, nvÿØnc•LT<E; SfoEGÜÝ(SF) ¹vsÖ5ÝÐÍ CK^\ÈÉÿ 12.1%
                                                                   1
                 (P<0.05), Í S ^\5ÝÐÈÉÿ 9.7%(P <0.05); SfoEGÜÝ(SF) ¹vØnÙÚ\¨ 4780.95
                                                                              1
                     2
                 kg/hm, Í SF、F、S、CK^\»ûÈÉÿ 2.8%(P>0.05)、7.3%(P >0.05)、34.1%(P <0.05)、44.7%(P <
                           2
                0.05 ), cŒSfoEGÜÝ(SF) ^\vØnCÉ、 R«、 ŠevÖ¾8š, X CK、S、F^\֋Çø´b_
                                         1
                 (P<0.05), ÀÜݵú¢)2…ØnåpMv'; SfoEGÜÝ(SF) ¹vj¶qÒp–rp™´Ç
                                                                           1
                 øɅ CK、S、F、SF ^\, c2LE¬³+„Uß÷。Þà, SfoEGÜÝÞ­%02ÛÍoSÜÝ!j¶
                               2
                 ¥¿Î、 n1Ðb、 5ÝÐΖÙÚÎ]Ž>, ÜÞ¨²T¬ÂßuGÜݤ!uÄvkæ½。
                 CDE: SfoEGÜÝ; Øn; LTÞT; j¶p™´; ÙÚ; 02ÛÍ
                 FGHIJ:S626.2;S565.5   KLMNO:A    KPQJ:1672643X(2023)01021609
                Effectsofmulchingwithcrushedwheatstrawpaddingandplasticfilm on
                          sunfloweryieldandsoilenzymeactivitiesinMinqinOasis
                                                                                      2
                                                                      1
                                                        1
                                                                                                              1
                                                                                                 3
                        1
                                        1
          DULiangliang,ZHANGJinxia,RENFangfang,WUQing’an,LIUXingrong,DINGLin,ZHAOXia
                 (1.CollegeofWaterConservancyandHydropowerEngineering,GansuAgriculturalUniversity,Lanzhou730070,China;
                          2.GeologicalHazardsPreventionInstitute,GansuAcademyofSciences,Lanzhou730000,China;
                                 3.GansuResearchInstituteofWaterConservancy,Lanzhou730000,China)
                 Abstract:Inordertosolvetheproblemsofwaterresourcesshortage,deterioratedcultivatedsoilandpoor
                 yieldofsunflowerinMinqinOasisIrrigationArea,fivetreatmentsweresetup,includingnomulching
                                                                      2
                 (CK),strawmulching(S)(strawamountwas4,500kg/hm ),plasticfilmmulching(F),crushed
                                                                                           2
                 wheatstrawpaddingandplasticfilmmulching(SF)(strawamountwas4,000kg/hm )andcrushed
                                                            1
                                                                                   2
                 wheatstrawandplasticfilmmulching (SF)(strawamountwas4,500kg/hm).Withthegeneralirri
                                                    2
                                                         3
                                                              2
                 gationleveladoptedbythelocalfarmers (750m /hm)astheirrigationquota,thegrowthstatusofsun
                 flowerandthechangesofsoilenzymeactivitywerestudied.TheresultsshowedthatunderSF treatment,
                                                                                               1
                 thesoilthermalconditionwassignificantlyimproved,whichwasbeneficialforwaterstorageinsoiland
                 providedmorewaterforthesunflowergrowth.TheseedlingrateofSF was12.1% higherthanthatof
                                                                            1
                 CK(P <0.05),and9.7% higherthanthatofS(P <0.05).TheyieldofSF reached4,780.95
                                                                                       1
                !"#$:20220619; %&#$:20221107
                '()*: ,-0É]eÕJ?„2./(2021B-138); 89œ*e„2./(51509039); ,-0 2021 ã¿:;E:
                        ./(2021RCXM066); ,-0*el€+^XÁ<./(2021JK-07); ,-012*+X3#hr./
                        (202204)
                +,-.: ŽJJ(1996-), b, ,-ÙzE, KGL, +^µf¾D1†®\KX3#。
                /0+,: ˜2ú(1976-), A, ,-02E, FG, HIJ, KGLMN, +^µf¾ÑÒD1–†pmv›yz。
   215   216   217   218   219   220   221   222   223   224   225