Page 89 - 《寒旱农业科学》2024年第11期
P. 89

!! !                   " #$ %& '()*+,-./0(1234567*89:                                   å &)%' å


             ;<= "# ;<>?@A !$%&'!(BC )DE "$ ;<                 €=8hiR‚ƒM -G 7*G „…†‡$ n
             F "%G "*G "+ ;<HIJ->?$ F ",G ") ;                 vR 28++G 28%#G 28##E {ˆlmn1}~*L
             <G -. HIJ>?E "%G "*G "+ ;<F ", ;<                 €=8hiR23MG 7*6„…†‡$ nv
             IJ->?$ F ") ;<G -. IJ>?E                          R 28/2G 28#1G 28,*E {‰lmn1}~*L€
             !"#  !"#$%&'()*+,-./                              =8hiR„…†Š‹G ‚ƒM - 67*$ n
                 K-.,(;<L$ 23MN*O "+ ;<P                       vR 2819G 28#+ 6 282#E ŒŽ ,G Ž # 6Ž
             Q$ R /,012345675$ = -. >?SQ +8+1(T ",              % n‘’;<8“”n•jk–— WC
             ;<PU$ R 9)&+2345675$ = -. >?VU%&/)(E              $X$ „O˜f$ "+ ;<W'()* %2(; ™šg ;
             "% ;<= ", ;<>?SQ +&9+($ "+ ;<= "$                 ›œX“”nPQ$ Cq;<1234567
             ;<>?SQ $&$$(WC )XE "+ ;<FYZ;<                     *89:P$ YžR "$ ;< W'()* %2(;
             IJ>?E ")G "%G "$ ;<G -. HIJ->?$                   ƒŸ/0( ; ›œDE
             [F "* ;<IJ->?$ F ", IJ>?T ", ;                                  % ! &'()*+,
             <6 "* ;<HIJ->?E                                       hi         mn&        mn!        mn'
             !"$  0"123&4()5,6./                                  23M         ()"!%       )"*)       ()"&+
                 K-.,(;<L$ 237*O "% ;<P                          ‚ƒM,          )"%%      ()"'+        )"!%
             Q$ R *93))%&+*3756:4 $ = -. >?SQ ,81/(T            „…†Š‹          )"&*      ()")*        )"-+
                                  #
                                           #
             ", ;<PU$ R *$3$128**3756:4 $ = -. >?V               „…†‡          )"!!       )"&$       ()"$!
             U $811(T "% ;<= ", ;<>?SQ +89/(E F                    7*          )"'!       )"!-        )")!
                                                                  stu          !"!!       &"$-        )"%&
             -. \]$ "$ ;<>?SQ ,8,/($ "# ;<>?
                                                                 àáâ./        ##"'%      '&"#-       &!"&*
             ^V $82*($ "$ ;<= "# ;<SQ *8$*(W_ ,DE
                                                               ãäàáâ./        ##"'%      -$"+'       ++")!
             "% ;<FYZ;<IJ>?T "$ ;<F "*G "+G
             ",G "# ;<G -. IJ>?E "*G "+ ;<G -. H                          % " &'(-./0123
             IJ->?$ [F ",G "# ;<IJ>?E ",G "#                    ;<     Ž&     Ž!    Ž'    “”n      –—
             ;<HIJ>?E                                            ,0     )")%    )")'  ()"!&     )")&     $
                                                                 1&    ()"!#   (&"-*  ()"$&    ()"+'     %
                 $*)))
                                      4                          1!    (!")%    )"#*  ()")%    ()"+-     -
                                           3
                 $+)))  2                       2    2           1'     )"&*    )"%)  ()"%%     )"!!     '
                                                                                )"'%
                756:4 ) X  $-)))                                 1#     &"&)   ()"+$  (&"!$     )"$&     !
                                                                                       &"$%
                                                                        )"$&
                                                                 1$
                                                                                                         #
                                                                                                )"&-
                W  $%)))                                         1%     )"##    &"&%   &"&'     )"-*     &
                7*6  $$)))  2    5
                 $#)))                                         !"""!"#$"
                                                                    *,¡'(¢@A£¤ƒ¥¦§8¨n©
                 $')))
                                                               €$ ª«¬­®¯E )°'(,¡*/±²VU
                 $!)))
                       ,0   1&   1!  1'    1#   1$  1%
                                                               ƒ7m³G SQ´Ÿ£µ†¶6·¸¹º¬­                    »,%3¼ E
                                     ;<
                       4 # 56789:;<=>?                         K'()*8.½$ ¾¿‚À7*645E 23
             !"%  7"1$8&()9:;5,<=>?                            ƒÁÂÃ1(Ä8ő*=$ ÆG ÇG È,¡
                 -.,(;<^234567*C`ab-                           *9:23845F7*            »,$3¼ E „…†‡G „…†
             .$ RcdefPg8,(;<$ 123-.,                           Š‹G ‚ƒM - 623MÉÊ*23458Ë¿
             (;<^84567*hijklmnno$ n                            hi$ ŽÌ$ ³ÍÎK'()* %2(8ÏÐÑÒ
             opbBC %XCq$ % rlmnstunvR#8##G                     Ó-.8,(;<$ Ô ÕÖ45\×hi67
             ,8*1G 28+,$ mn ,G mn # 6mn % wxc23                *$ qØٔ23'()*8,(ÚÛE ³ÜÝ
             4567*yzE YL$ {|lmn1}~*L                           LÔ '(),F@,ƒŸ/0(6Þß/0(
   84   85   86   87   88   89   90   91   92   93   94