Page 59 - 《寒旱农业科学》2025年第9期
P. 59

! !               "#$% &' (!)*+,-./0123456789:;<=>?@AB                                   2/0 


                                          $
                                                         $
             9^_`abcde "#$$%&'()*+ 6 , $- %./%0.'()*+ 6        /:0.+E/:0.+FGH6#+ @7.m ËF9GnH6 I
             1 $-.2%.'()*+ f g9hij 24/0.5 k9 / lm n            J&KLhm 7.ì 3#++ MhN®*ПOP<
                        3
             o23p4]!q9rsm t4]!u.9 /3                           ’QRSm TUhÔÕVòW_X74¾m â;
                                       3
                                   6
             lm .9vwx %./00.+ 7*+ % pCDyFzD_                   Ð=ô·®*¯°±f
             {% )*H!no|}~145<€‚@4                                ®*¯°±ILP[®*LôJYÜ®*LôJK
             ]E!ƒty %08@„…†‡)*ˆ‰Švf                            9GGLf
             9:6:3&&&&(!)*‹Œ@Ž@_‘’“}’                       9H@H6####789ò·Z[       È 3G36 ” <#\ ! I´¡
             3036 ”€•”}’–—•m ˜™pš›ˆœxm                         .9Hm ij 9G#5 €0123ÉʎÕ7]ÞC
             0123žOP! L 2;! Ÿ ¡¢6 g9£J%                       *7m Õ^Tùøv789òf øv78E[x
             ¤<I9H)*% ¥E„…¦§)*¨©6 ª«¬                          GM<G#N+ 7_m i 3GON+ x 9 `m iCDç7
             E­% ®*¯°±²m ³´µ¶QRST!·U                           `øv 6 Ý.Bm *aH7bcf @#\ ! Ii 2#5
             V!„…²Q¸{)*¹º6 »¼„…=½¾¿                            6 6 ÝEd¤G!'GG#\ 9G'GG E6 96'GG#\ 9@'GG
             À@ÁÂm ÃęUV!ÅÆÇÈÉÊËV@Å                            E692'GG#\9P'GGEvEÕefcghiøjøv
             ÇÌÍm ÎϲÐ*Ñy±·ÒÓaÔÕ±6 Ö                           pCD23ŽF GQ3G#N+ 7`@78Z[m ç
             ×®*ØÙ@ÚÛE!f }’uÜ 3 ÝCD% O                         CDøv 6 Ý.Bm 6 ÝEd7bc9xaH®k
             P!)*L => / J6 YZ!)*L=> %% ?1Jf ÞÕß                Z[f
                                                 3
             à/áÜâm 6 l¾ãm ä/åæ /00.+ f €}’                    %7*  ()*+
                                               3
             @çEŽ+èéêm éêåæ 3.*+ m _‘’                           ÞÕ RSNTU.3G9G.lmŽ2onD6 òop
             “Qy4ëìíîOP!)*‹Œ¦ïðñ*                             09q-r ÞÕ B,BB.9!HG lmŽ2oðâò
             1„+789òó=0123ëô·ÅõëM>                             om ÕÚästuvù LVBWJL!!G:G%JŽw¾
             ?@ABf                                             覊vuvstf
             %7,  !"#$%&'                                      !"""!"#$%
             /:@:/....Åö;·ëô        45!FÞÕyF÷ø                17%  ,-./0123456/789
             ù÷úûü234]E!@ýam øv23…²þ                               x- 9 ym zçCD{234]!x 9%6X
             ÿ!6 "56 "!6 #$¾&Åö;f iÝC                         9%P.5m pCD¦+ACD => % L?1J4]!|5
             D€%Ñ&'@()ßà* 6 Ý+,-@.                           3Y%.5f }îCD => 9 4]!Ú5m x 9%P.5m ¦
             /m iÝ./[\t01"m â21"23hm                           => % L?1J|5 %.5~ CD => 36 => 6 lWm bx 9%<.5~
             4*51"¾m 678"¾ù* 30 Ý1"9xˆ                         ¦ => % L?1J |5 6.5~ CD => @ 4]! 9%%.5m ¦
             ‰.Êm øv5"M:±m â;<øëôf                             => % L?1J4]!|5 3.5f
             /:@:3....¯°±·Ð=ô        >”+OP!)*6 Y               171  ,-./01234:;<=789

             Z!)*@0123y®*Ð=Ž*.?øm                                 - 3 ó€Mm 3G33 ”zçE!)*CD
             @ì A,B v(m 6A % BùÞC5CDDEx                        {@23…²x 9@9:3GZ9@%:!6.N+m óCD => 6 Ú
                                            & ! '()*+,-./01*234

                      )*EF      K1!     MN!      OP!    QRST!      UV!      WX!     YZ!      [\!      4]!
               CD
                                        !
                      ! GH!IJ   ! LH!IJ LH!IJ    ! LH!IJ  ! LH!IJ  ! LH!IJ  ! LH!IJ  ! LH!IJ  ! LH!IJ   !"
                       &'(&)     '*(+,   -.(+,    +*(+)    +/(+0   %1(+0     %2(+0   1+(+.    1*(+.    %*2
               #$ %
                       +%(+0     %*(+,   1.(+,    +*(+)    +%(+0   %+(+0     %*(+0   %2(+.    1*(+.    %*)
               3$ 1
                       +2(+0     %*(+,   1.(+,    +*(+)    +%(+0   +2(+0     %)(+0   %2(+.    1*(+.    %*)
               3$ /
                       1*(+2     %*(+,   1.(+,    +*(+)    +%(+0   +2(+0     %/(+0   %0(+.    1*(+.    %**
               3$ ,
             3$ * L45J  %2(+.    %*(+,   1.(+,    +*(+)    +%(+0   +2(+0     %6(+0   %*(+.    1*(+.    %*6
   54   55   56   57   58   59   60   61   62   63   64