Page 30 - 《寒旱农业科学》2025年第9期
P. 30

g (&( g                                                                                     ! !


              "#$%&'( )*+,-. "#$ /012( %&'!                     «šÄˆ¡¬Åˆ³´Q 67*8;š›ABÆ
              345( 67*89:;<=>?@ABCDE                            '1LÇÈQ É"UX„ÊËÌ&'ÍÎIJ
              F#$%2=G2( HIJK1LMNOPQ R                           ef !gW Z8ā‚ÏÐÑÒÓQ žŸABÆ'
              ()(! 3SETU%2=G2 '#'*& VW                          ÎÔÕÖ×  ŽŸABÆ'&ØkyQ É_iÙ
              !"! !"#$                                          ÚkNq ¢£ŸABÆ'ÛÜÝÞßkNQ ZX
                   "UXY #$%&'Q 67*8;<=>?                        ‹à8á8ÜÝ?1â{ãÇÈ               %*#€ W
              @ABZ[\]^-3=_`aZbcIdef                                  67)*Á”Q äå8;ABæØçèEF
              "gW h`_iY E`_i]^67*8;AB_                          #$%2=G2Q HK{3MNéPQ É_`ê
              `jPbcQ kUX2=G2lmET (+!"Y ,-"(                     Kë{3ìí-OPQ îRZ %&&%Y %&&& 3Të
              nolpQ H=EF#$%2=G2q rs_i                           ï_iW ðñ>òQ ª«ó„ôG2ÇÈQ 8
              ]^_`"UX/t12Q u#$%2=G2                             ;AB/õ-_NQ 67*8;_Aö÷ø-ù
              %-". nolpq vw_iY 2x_i]^=yF                        úQ _A-ûÚZ{3_NQ ‰ëE`_i-ü
              UXY #$%2=G2Q vw_i]^lmkU                           °_ýQ þÿjˆŽÄ!"Y #$8Ä%ý&Y
              XY #$%2=G2y %-'*Y (-&! nolpQ x                    '()Ä**Q +,8;_A-.Q /0AB_
              z_i]^IJ{|}~            %*/€ W                    i12Q ©3.4567-89W
              !"# %&'(                                          !"""!"#$%&'()*+,-./

                   67*8;AB‚Z %&'% 3Rƒ„…†b                           :3”Q 67*E°;<=>8?š@Q AB
              c‡ˆW 89‰Š‹ŒŽ‘’“5Q 8;                           BCÓDEF8Ä89„ô-FG¸HÀIQ J
              AB”•{|–—ˆQ %&&, 345{|˜™š›                         K#$%LMN67OÚPQRS¬T-øUVø
              œABY žŸABY  ŽŸAB¡¢£ŸAB                           ’WQ Xz)Y8Äà*Z¹Q O[8Ä_ŽY
              ¤N¥AB”¦§8;ABQ ¨m©ª«¬­®                            8;_AY 89\]Q Uö³´­9^_                   ,#€ Q 8
              ¯ˆ“°±²-³´( (*%" 3µ¶‰·¬­:;                         9:;AB_ýkhQ 89:;…`UabÇÈW
              ¦®-¤N¥AB¸¹º»¡¦§¹¼W ½AB                            67*¦§"õccHQ (*(! 367*89:;
              ”•¾Q žŸABCD©8;AB_i-¿À                            >?@ABÊ ((#&,& V       ,#€ Q k (*(" 3_ý %#.*%
              ”•W ½+,Á‹ŒžAB¿Q {|¢‡Â                           VQ 'UX2=G2y %0* VQ '#$%2=G
              š›œABY žŸABY  ŽŸAB¡¢£Ÿ                           2E '#',! VQ bFU%d " bQ \'_i '-*1Q
              AB–VÃa-‚W "UXY #$%&'Q ª                          _e'UX2=G2E %-! nolpQ '#$%2

                                 š›œAB          žŸAB          ¢£ŸAB            ŽŸAB
                   $!%&&

                   '&&&&


                    (%%%
                   AB 2 V  )%%%


                    *&&&


                    !&&&

                      &
                     '++, 3 '++) 3 '++- 3 '++( 3 '+++ 3 !&&& 3 !&&' 3 !&&! 3 !&&# 3 !&&* 3 !&&, 3 !&&) 3 !&&- 3 !&&( 3 !&&+ 3 !&'& 3 !&'' 3 !&'! 3 !&'# 3 !&'* 3 !&', 3 !&') 3 !&'- 3 !&'( 3 !&'+ 3 !&!& 3 !&!' 3 !&!! 3 !&!# 3 !&!* 3

                                                             f.
                                          0 ! "#$"1%&%! 2345$67%89:&';<
   25   26   27   28   29   30   31   32   33   34   35