Page 30 - 《寒旱农业科学》2025年第6期
P. 30

¶ %", ¶                                                                                     ! !


                                                       "
              :2B CDE-./FGHIJ "#$%&'((#)* K 9                   XWcÒ+DS "#$%h=U{ -0 ,S ÓYÔ
                                      "
                                                                                       "
              :2FLHIJ ++'++,)* B M9:2FLHIN                      ÕÖJ + ×<0 ר =)* S ‹“J !!'%.2S CD
              OPQCR2/S TFLUVW(XHIYPQ                            E562v 782‰ŠS YJ /- ,j "Ù$%>
              (-'..,)* B Z[\]^_`ab9:2Wc(X                       ?@"Ù$%U{ %( ,S ‹“J --'(.2S CDE
                      "
              defgCR2/hij                                       -./‰ŠS J "- ,j }ÚÛÜݝXÞßàá
              /'"'",,,,()kl m(XWnFLo)pq /rstS                   âã]ä"Ù$%Í [)ÎÚÛÜÝDå)æ ç
              7uv @wXv xyz{[-./TFL|S }                          èv éÔv °êXÎëìíîïUðñòÜ݋
              ~z{[012€FLS MFLHIYPQ                             ÚیÜÝU %.2E`S MóôÓõ`ö÷¢j ø
                      "
                                                       "
              (.'..,)* j ‚S FLHIƒ„ /..'..,)* U(                ùúS "."" Ó)ÎðñòàûJ /(.>/-. Ø =?S
              ){ 0 WS CD…v †v ‡ˆ)[-./Wc‰                        }[üýþïS ðñòàûÿ3Í FGD!"S
                                         "
              ŠS FLHIY[ "-.'..,)* E`S ‹-./F                     #$)Î%&'òÂv ()ºÃ*+,\]^
              LŒHIgU &-'-%1j 012E…v ŽXv                       _-./012S 34¯56՜S œ7°)Î
              ‡ˆX‹‘+’S Œ‹“” -+'&(2• 342F                       %&8s“h9:Í
              LHIDE–—v ˜™v …Uš›_‰œS Y[                          !"""!"#$%&'()*+,-.
                       "
              (0.'..,)* E`S Œ‹gJ &-'%"2• 562–—                       ;„<()Wnv ºc=»v ºc»¼v )
              yUFLHIžŸ -&.'..,)* S abZ " W W                   Î*+v ÚÛÜÝv ¸>¯?íUFG°@S Œ
                                           "
              [562Wc¡¢NO• 782˜™FLHIJ                            o2EA % W¶·¸()ÛBCDUE£»¼Í
              0"%'+%,)* S NOœQCRn£(XFLHIS a                     '-" !"#$%&'%()*+.,-.%/0*+1
                       "
              b˜™[782¤¥¦=S §¨©ª                                 23456
              /'"'(,,,,(XWno«       ¬­FLD(XWnWc                      FÓDGüHIJKLv DG\M‡eŠ­
              HI®[¯ + ’U°±²…v –—v ˜™v †v                        N|S OPQ2RSlTUüÛÞÛ+VWI
              yv ‡ˆXS ;AŒHI” %,!!&'!-,)* S ‹ŒF                  XYWIS Z["\üBÛBÎ/v üB]^Î
                                                   "
              LHIU &&'((2S CD…UWcHI‰œS J                        /S _`CJJ¨aüB"\ÂUbOcd                      e-7f Í
              /,0%"'%(,)* S ²‡ˆXWcHIU !'&/ ³j                  ¶·¸Igh¥DG\M‡e-9'i4Uj-
                         "
              ‚S ´y‡ˆ)S Cµ ! W()FLHIY[                         9'()ÛBCDklmnoj-9'(A"ÙÛ
              /,...'..,)* E`j \]^_`ab¶·¸¤¹W                     BCD=pp"."(q".(.ÓrorsQ%&"\tu
                         "
              cU(Xn£E…v –—v ˜™v †Jj                            vwüB¡¢TUÛBxÓ³yÅñU;Ñoí‡
              /'"'!,,,,ºc»¼    FLoXN½S ¶·¸…v †v                 eXzS {S%&|¶·¸}~€¨aüBü‚
              ¾XUWc¿¼ÀEÁºÃJS CD…v ¾                           "\ÂCD=poS Igƒ„…†‡ˆÍ ;„x
              XUWcÄÅÆŠJ !,*3-,*S †UWcÄÅÆ                        ‰Š‹(I^Z[v ŠxŒxv Ž(v DG

              ŠJp "4(r *5-,*• –—ŠJǼºÃpÈÇÉ                      ‘’“”•–½—v (˜™;Œ+íb–Ú
              ÊÇrS ÈËÇv ÊÈÇÄÅÆ°±J /,*6(7*v                      šI^텆Z[S "Ù(WcŒHI›œœv
              /,*8p(9!r*• ˜™ŠJÌcºÃS WcÄÅÆ                       ۞Ÿ N3v Û¡bNy¢              £+7¤ Í -./¥¦§
              p/:"r*;(,*Í                                       ¨©ª«†v  `¬†Ò+S ×­˜B®¯¡°
              /'"'-,,,,)Î"#$%       Ïq " ÐÑS [ /(" ,(           …½—Ò+S 56¶±®u²³}×´–—¢µS
                                          / ! !"#012$%3456789:;<=
                                                                ()*+!,
               "#$%&'
                              -./         012         342         562         782         9:2         ;<
                   =           ""           #          "$          "%          "%           $           %&
                  >?@          '%          ""           (          ")          "&           "           (*
                   ;A          *+          "&          "(          '%          *,           "          "*'
   25   26   27   28   29   30   31   32   33   34   35