Page 49 - 《寒旱农业科学》2025年第11期
P. 49

!! !                UVW+ }X YZüHbcdefg.%&'KL!2389:1>?                                   [ &"$5 [

                      !""
                                          '()*+  '(,*  '-.()*+  '-.(,*  '-/()*+  '-/(,*
                          10 21  2
                            4  34  03  2  1  2  1     2         2                          1  1  2  0
                    /0236789: ,22  $%"  0  3  0   3  1  3  0  1  03  1  3  0  1  0  1  0  2  10 10 1  0  2 2  3  3
                      #""






                      &%%


                       %
                             a!         Þ!        àÑ!       úû!         üý!       ()!     JKL!MN
                                                          KL!
                                      % ! &'()*+,-./0123456789:;

             "#$"%" &#"$%" "#'!%# $%&'()*+ ()* ,               ږ`‘pÛÜÝ#
             -. +" +,- ,- ./!..0120/0123456                        `%&'Þ!ßàÑ!+ bcdefg<=
             789:;<=>?@!!.#.$A+ B<=CD +,30                     CR¤Èm&' .9!..012 4p" %&'!´µ
             ,-/0123456789:+ EFG !#'4%                         .:;.012 4p" %&'!½¾ .<'.012 4p12
            @! " .#.$AH IJKL!MNOPQ+ ()* ,-<                    389:H ØÙá—jÎâãUäKåæçh.

             =CR +S +,3" +,- ,- & TTUVWX .5                    èé+ 9Yêëiì+  ¡+ bcdefgÁ”
             !..012 /0451MN2389:@! " .#.$A+ E                  bc‡ˆíì¤459Yîï+ ðbcñò*Â
             FYZG 6#".%" 6#'"%0" 6#"&%H                        ó¤45ô+ Eõ¤45ö9‰÷                 ~!60 H øùú
             !"""!"#$"                                         û!»üý!+ bcdefg.4589:1C
                 [\]^_+ `%&'aT!+ bcdef                         Dm§þ_Ypÿ!H "#$gmnW`x‚¡
             ghijklgmnW+ .op45q_r<=                            !%±&'jkl(g1t9v‰+ $—jbc
             1s9tuvw+ xyz{|}              ~!"0 " €&M} ~!&0   defg,-1&'Kå)G*++ ,²K-:
             1\]w‚ƒH „…†`jbc‡ˆ‰Š‹v                            »Ž.õ©<=Rjkl/g,-+ ›ƒ.45
             Œ†p4519YŽ^H B+ `aT!14                           9Y101:´FE¢+ IB2Ô¤3Y4p1
             5‘’“”•–+ —jXp459Y˜o™š+                           89'4H %&'()*+ h5klgm+ bc
             ›ƒœTgmnWXp4589:1žŸ&+                            defg.4589:1CDm§ØÙ_` .=
              ¡¢£¤Xp4589:1YžH xT>?1                            6.012 4p+ xØÙá6G&'()*+ klgm
             ¥¦m§¨©y45‘p¨©ª«h¬+ B4                            14578+ Bbcdefg6Gdebc19
             5‘p¨©­®TUnW¯°H ±²B³+ %                           `+ t9vw:<+ x`z{|}                ~!"0 »;<=

             &'!´µ²¶–·e´µ¸d1´:¹º»¼                             } ~!$0 1\]–>×?¤@AH
             eS %&'!½¾²¶–·e½¾¸d1¿À+                                [\]ñ^_+ `%&'KL·!@aT>ü
             NÁ”ÂÃ459ÄÅÆ.‘p¨©ÇK>?#                            ý!A+ bcdefg<=CR¤ & TTUVWX
             „–+ Èm&'1‘p¨©2¨+ %&'!½¾                          .?!..012 /0451236789:+ xy€&
             2É+ %&'!´µÊjœËÌÍ# ±²_G+                          M}  ~!&0 1\]w‚ƒH B+ BCC}           ~!@0 1\
             bcdefgnWX+ Èm&' &.012 » 6.012 4                   ]:+ bc‡ˆ1t9vwD.p45>?
             pS %&'!´µ ".76.012 4pS %&'!½                      :<+ .¨p459Y>?i&H xTE1
             ¾ !.012 » &.8$.012 4p14589:N<=C                   žF‰GjüH»IJH1KLž+ x>ø‚
             D# ÎÏ+ ÐÑÒӑpÔÕ¤gmnW.¨p                           MN:bcdefgOP1QRS§0Ù6¿†
             4589:1>?+ Ö×4589:1žØÙ                            TH
   44   45   46   47   48   49   50   51   52   53   54