Page 57 - 《寒旱农业科学》2025年第8期
P. 57

! !            "#$% &' ()*+,-./0123456789:;7<=>?@ABCD                                   ¯ 3#3 ¯

                                                                   .,$
             EFGB>GH"!#$%&'()IJ9:H*+#$*,'()KLM
                                                                          9:       7<=
             NFOPBQ4RGSTU                                          .,!                       /
             !"#  !"#$%&'()*+,-./0 1/2                                              0
                                                                   ),&
             34                                                   >?’“ 3)) .,)  0  0  0   /
                 ,-./014 * VWX>?YZ[\ ][                            ),(                             1  1
             ^*+_`abcdeHf *\ f "KU 9:g*+                           ),$
             -$!.h>?YZ[\ >?][J /0 ijOPkl                           ),!
             *#$-.\ *+$,.H! ! -$-%Km n*+ *$-.hopq                    )
                                                                         ) x*+I   ),!-    ),&-      !,)-
             rm rsijt %&$&.\ +,$,.U *+ -$*.; /0
                                                                                ,-./01*+
             uOPavwx!"-$-%KU 7<=YMNFyB*+                            ! # 9:$;&<=)*>,-.?01D
                                                                               @ABE3FG
             z{am ; /0 |}Jm *+ -$*.~>?YZ
             [OP€ *,$*.% >?][OPk‚ 11$%.x!!                    -$!.~qm 7<=>?’“kst 1"$1.m 9
             -$-%Kƒ *+ -$!.~qt„‚% >?YZ[\ >                    :ks— ##$#.m ˜R™–xksKBVŒvwt"$&
             ?][ijkl ,"$-.\ !+$+.ƒ …*+† *$-.                  šƒ ›*+ *$-.œ7<=>?’“žŸ *!$*.m
             h% >?YZ[\ >?][ijr‡ "*$#. \                         ¡y+¢9:xrs #%$&.IB #$! šU £¤¥N
             %"$#.% rsˆ‰Š9:% O‹XVŒgŽa                        *+ -$*.~¦§¨VŒz{avwm 7<=’

             vwU                                               “x -$,%#'))Iks %$%.m ›9:©ªk -$*.U
             !"$  5"6$%&'()*+7809:;,<=                         !"%  5"6$%&'()*+@AB?34
             >?34                                                  -$!.,-./01*+~qm 9:«7<
                 ,-./01~‘m * VWX>?’“^                        =¬­\ ®­ˆt„7% ¬­ij— #$%!-\ #$#1%'
             Mvw0”•D– xf1KU ; /0 |}Jm *+                       2% J /0 ij€7 !"$".\ ,&$,.ƒ ®­ij—

                          &'                                        ."%
                                            /
                                                                                       /
                                 0
                        9:>?YZ[ 3() *  $)         1                9:>?][ 3() "  .")        1
                                      0
                          ()
                                                                                 0
                                                                           0
                                                                    )"%
                          !)


                           )                                         )
                               ) x*+I ),!-  ',&-  !,'-                   'x*+I ',!-  ',&-  !,'-
                                    ,-./01*+                                  ,-./01*+
                                     ! ! "#$%&'()*+,-./0123456786
                         .%)                /                        ."%          0     /

                        9:>?YZ[ 3() *  .))  1  0   2                9:>?][ 3() "  .")  1      2




                                                                     )"%
                          %)


                           )                                          )
                               ) x*+I )"!-  )"&-  !")-                     ) x*+I )"!-  )"&-  !")-
                                    ,-./01*+                                   ,-./01*+
                                    ! " 9:$;&<=)*>,-.?@AB23456C86
   52   53   54   55   56   57   58   59   60   61   62