Page 21 - 《寒旱农业科学》2025年第3期
        P. 21
     , ©                        ½p¾L ©¿ +!qrs"#;<,RÀÁÂK-Ð                                    Ã #!! Ã
             !"#$%&'()*                                        !"#  *+,-./01
             !"""!"#$%&'()!"#*+,-"./                               z{hijk,¥¢:EFÓGãHå,f
             !"!  !"#$%&'()                                    gaåæIJKLML N?GOP7hi¢
                 +!"#,-./01234567"#8                           sL fgÙWV QRÙSV TèU1©MICN
             9:;<=>?@,ABCD EF?"GHI"                            OP,fgaL %õºVnZS`nIL |}S
             #JKL MICNOP,+!QR#L ?"S#                           `# & ! äS#OTUL TèU1L ñòW1L Y
             OTUV WXV WYV WZI[,\]W^OP_                         WXWYE[U©|CNL ãhijk:fg
             `abcde ?"\]W^OP_`aL fghi                          a & ! äZ .1! æ[9#ñL |7_(\èQ
             jk,?@V lm:nZbhiL opbqrs                           RL üýQRÙL &WfgÙ*
             "#;<L tbuv,?a89L wxyz{"                           !"$  23)*+45
             #JKL |}O~,#L ?@nZW                               qrsfgÙ,WÚ]fgaV hijkE
             ,hijke +!qrs"#;<uv"#8                            FÓGV ^_`a:\èbÔ©ÓGc%}*
             9
L y"#W,<                            ofgafg
hijkV 
fgafg
             ,[V U,E[:                            oEF,hijkܤo,\èbÔL fg
             , Ce                                           Ùîoâ 
hijk:
fga/o,
                 n¡W,hi¢sjk£¤jk¥¦                           ^_`ad,fgÙeo* fgh©                  i!2j klm
             a§¨ SO¥¢©e ª«z{¬®o¯°                          nL +!Top3!32452qrsfgÙbTop
             ¥¦±²n¡³´ µ ¶·¸¹º» ! ¼½"¼h                       3".245 , +678rL qQRÙ0Ú* rsü©               i+2j
             i¢s ¸ #$%! #$&! #$'% #$'& #(%!               +!WtÙuv¯wqrsfga,IJkl
             #(&!½L /´·¢sµ¾yg¿ÀÁÂÃÄ,                          QxemnL uv¯wqrsfgay1Wf !
             ´·ÅƦ#L /µ·¢sµ¾yg¿ÀÇ                            zohÓ¦jkîEfgX¯qrsL q{
             ÈÃĵ·, )) : *)) #L /¶·¢sµ¾y                      fgÐÙK|fgjk,hÓ¦01caL o
             g¿ÀÉÈÊËÃÄ:ÌÍÃÄ,¶·YÎ#                             }~hÓ¦qrsfgÙ,r*
             e                                                
Q¦fga,?"-L qrsfgÐÙ
                 Ï7qrs"#;<oEÐÑÒoPhÓ                           ¤IÐÙoÜ&W*
             Ô,ÕÖD hÓÔ,×nØÙÚD ÛÜ/hi                               +-!, áL ª«ß5hijk:fga#
             jkÝ¡4D ª«Þuß5à ! án¡hijk                          ñL x±L Ôåæ\è* Ï7
             :¢sâ à + áãhi¢s & ! äåæçèâ à ,                    fga#í}UL V ßèV \èV
             á/ & + ä¢sµ?5MICNOP,éæêåæ                         5V c©
a%^L xyT1U,
             çèL ëì¢s & + ä#íçIîïðL #ñ +--                     [:jkL QRÙÚL oOI1vf
             òÜ4óôåæçèâ à . áãéæ & , ä%õh                      g: V 2 "#* 
fgjk,ü
             ijkfgqrsL /¢s & , äµ?5MICN                        û:v,¡1L ¢ +-!. ᣤ?@±L ¥
             OP,éæêåæçèL Üðöá÷ø¥ùL f                           fghijk:fgaß5 .9! æ[9_(\è
             gqrs,ú9* Õôûáçè?@|7ÑÒ                            ý¦§\è,89L fgaß}S# & ! äL
             oPhÓ,ÕÖL üýOPhÓ,×nØÙL &                           Ó & ! ñòW1L TèU1L |7_(\è* f
             W?@ÐÙ:?@þB3ÿ Ó!"hi¢sj                            ga¨©ª#L «Ô !--245L ¬© :;<2=L
             kåæÐ,×n#PL öá$m%&,|h                            fga:hijkZî« ,2= ¯p ! m®L
             Ó'L (ðê}qrsfg;<)*+rs,                            Þ¯°T©* z{±~²é:}~vé
             a-/0 a½L .|} /0 a/01,0C2N3                       ,"³´L /±~µ²:}~¶oL }~
             4567o|8CCN,¼sL 9:;<.=                            åæ +>, øµ²·¸L ܹºS»¼T©L ü
             >hÓL b?@A
B,ÐCD*                                ý_(\è,ØÙ* /BJª#©bL ã±~f
     	
