Page 68 - 《甘肃农业科技》2022年第4期
P. 68

0$                 !"#$%&         ' !" (  ' # )        !"#$% &'() *+,) "#- ./+0#)  12) !  "#$%&'


                   *+,-./0123456789:;<                          &M<c'^(ޒ“¦ ÿŽ78~o#r
              =>?@ABC $ D78E FGHIJKLM<                          sÞU$ÿ¦ B2 ) * V j 133 § y ¦ º
                                                                                                             $
                                                                           $
              NOP.QRSTUVWX YZ[H\A]^_                            $(24)2','5-. + B¢HžŸ ¡¦ º %)/4(2','5-. |
              `abcdef<ghLX iVjk)]l./                            ¶,J3456 133 -y 0042!6c $74$$6| 3
              mUnX opq4rstuX vPmwxty                    z%&'{ |  456 133 J@LZ[²³H.o/'^J0¦
              (%) !"#$%&'()*(+,-./0123                          iU`1'2L3I¦ o4^5<[ÐJ6¦ *
                   o}co~€‚ƒ„*…†uc9:;                          ….šm7u|
              <m‡ˆw‰       Š%('‹ E ŒŽ78x€ƒ‚U                 7 " &'()*+8,-./94:;<=>?@!""A
              ‘’“”•#–| & DŽ782X —˜VjI,                                             BCD
                                                                        õö).€÷ .š¬ï.€÷
              -*™.š)o}co~€‚ƒm›‘y                                   m”o}*o~– m”o}*o~–           -..  UÔÕ
                                                                                                       (
                                                                                                  + ”,/+0– Ø=
              ABœX žŸ ¡¢Q” )£¤¥–¦ 3456                                     +,           +,
              §@” ) £¤¥–¦ ›¨©‘| B2—˜Vj78                       K*Vj 11232&*45(675 )7!6&(81 17!%!9 (!7%57 : 76!4&
                                                                žŸ ¡      92699*99164 12)619*2)(64!  1546!7 ; 76!4&
              o}€mIª«)›§y¦ .š¬­)o}
                                                                3456      996(2*&(&691 256)&*42565&  1!&67( < 76!4&
              €m®¯ &*#+!$',-. ¦ JžŸ ¡78°±
                                     $
              !/+0!1¦ J345678°± $&2+%21¦ Z[L                    !"""!"#$"
              ²³H—˜Vj78*™§†¦ iwx´µ¦                                 9:89:<mH9:2$[5:;<<L

              «B9:;<=§y¦ 9:<¶c*™Aj·                            §Km¦ =Hám899:5:<¶[ÐL>?
              Lw¸ab‰e¦ o}co~¹¶.š›Jº¬                            @ߦ ZÚAµ9:<¶BCDE                z%03‹ | 9:<¶
              ­| »A¼½Žh¾L¿L¦ ÀÁÂ3456                          ;mM@c5<[Ð~MH4²'Õc.ÏÐÿ
              ÃÄ«¦ o}¹¶ÅÆÇ3ÈÉʀcq4*                            F~MLG?²³QÜ            z%/3‹ | 9:89:<m-y
              ˦ o~¹¶ÅÆÇq4d¹¦ ³Ì3456€                          H'Õ4²HIؾL>?@ßQÜ                  z%)3‹ | êÁÂ
              ‚ƒ§u|                                            JO~¦ K*Vj789:89:<m-y§K¦
              (%!  !"#4%&'56789:;<123                           ® !26¦ B¢º345678¦ -y &%6¦ žŸ
                   *™ÍkÎ.ÏД133–ZÑÒ*€ÓµcÔ                        ¡-y %$6| I*….šï¦ K*VjcžŸ
              ÕÖ[º×6€LØ=¦ [ÙÚÛÜLÝÞßà                             ¡78L;<m›ÿéÞyA3456¦ o
              ámâã9oäb - åæç×èéx*…L’“é                          }€mJžŸ ¡-y !/40!6¦ J3456
              Þ  Š%!3‹ | êëì2E 4²*…íî.šïo}.€                    78-y $&24%26| ªHI78x 133 U‘’
              mL§Kð”ÜñI ) £òóô–„õö).€÷                          “¦ ’“Ð#LºK*Vj!žŸ ¡!3456¦
              m¨ðaºo}ÍkÎ.ÏÐX 345678~                            ›¨©‘¦ K*VjcžŸ ¡ 133 ¶,J3
              3Èøð.š¬­)X ÉʀùuX Œúûüý                           456-y 006c $74$$6|

              þ| ÿŽ784oî!› 133 ð"# & $%|                           9:<¶¶MNO&PQR 9:R *…ST
                       1977
                                o~€m       o}€m               :
                                        :            :                                     :
                       1(77                ;                         ;        :
                                                        ;  <            <
                            :
                      .€m -,  577  ;  <                                          ;   <        ;  <
                                               <
                       !77                           :            :           :            :  ;
                            :  ;  ;     :  ;   ;        ;  ;         ;  <        ;   <           <
                         7
                           =   >  /     =  >  /      =  >  /     =   >  /     =  >   /     =  >  /
                                !            &            9           4            5          17
                                                             £V
                                           % ! &'()*+,-.//01/23456
   63   64   65   66   67   68   69   70   71   72   73