Page 60 - 《甘肃农业科技》2022年第5期
P. 60

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


              *+,-.                                             ./.Q12 def¾x (8%[ÕÖde×TØde !%
              !"""!"#$%                                         Z. Ùځ‚ƒdefÛܘÝÞɘ-ßàÝÞ
              '%( !"#$                                          Éá•âãäåx æ—åç-˜•«noÐV.
              #$#$#%%%%/012     3456789:;<=>"                   #$($"%%%%舘ÏÐ      \ˆ‰†‡èˆ˜ÏЋ Ê
                                                                                8
              ?@AB56CDE. &' F5678G=HI7                          •«éêˆv ]#' ëéêìw³ #^˜‰íå­CÌ
              8JK2LMNO$PQR.                                     ,3, def¾x (87_j (''7UV=>? Ÿde &7Zx —
              #$#$(%%%%/0S2     /0TUVS2/WXG=>                   †‡ˆ= C7`j #'7'''7UV=>? Ÿîï #'7=>?x —¾
              "YZ[\]^_`abc.                                     ðˆñòÏИóèˆ. aŠ‰†‡èˆ˜ÏЋ
                                                                                  8
              #$#$"%%%%def   9:Tghidej klmno                    ʕ«éêˆvb#' ëéêìw³ #'^˜‰íå­
              ;Vpqrstudefv)*+wx yz;V56                          CÌ ,34 def¾x (87cŸØde &7Z Ǘô #76
              {8yzdefv ,-wj |}f~[€‚ƒ„                         †‡deix M #' õ=èö÷오•Žx "'7dj
              …defv ./.012wx †‡;V56{8ˆ‰†‡                       (''7UV=>? Ÿøù #7Px —†‡ˆ= C7ej #'7'''7
              defv,3,wm56{8Š‰†‡defv,34w.                        UV=>? Ÿîï #'7=>?x —¾ðˆñòóèˆ.
              5)*+ def‹ pqr (''%6j stu ('76j „…                 #$($C7777èúû    füèúv3)2RTw û‹ Ê !'7
              #8%6x MŒŽ‘ #%9x ’“ :;x #(#%<”•                 =6 ¤ýþ˜ÿ!ž"Ô=#µ/$x Æ%& #$!7
              "'%=>?. @,- def‹ –— &' F˜56{8 8'7                 =9 '()*+ˆv'$'!7=SFV9j :;7!$'wm '$!7=9 ó

              6x MŒŽ™š "'7=>?x V›œžx žˆT                      èˆx ,-Ç !'7gŸŽ. #Px /dz *1- 0û
              M„… #876x MŒŽ‘ #79x ’“ :;x                     12u3ì       4#C75 . h67èúv.i;wû‹ Ê !'7
              #(#7A”• "'7=>?. B./.012 def‹ ./.0127              =6 ˜8…9Ô=:µ/$x Æ%& #$7!7=9 '(
              ($'76j ‚ƒ '$C76j D (;)E C7#$'76j /6-E C7'$!76j   );<ˆ v'$'!7=SFV9j :;7!$'wm '$!7=9 óèˆx
              v1; C w (-E C7($'76j 12.F7'$!76j „… #8$'76x MŒ   ,=Ç>= !'7jŽ. #7Px /dz *1- 0û?
              Ž‘ #79x ’“ :;x #(#7GŸ”• "'7=>?. H               2u3ì    4#C7@ . k®7èúvl4wû‹ —A:µ/
              ,3, def‹ –— &' F˜56{8 ('76x  ¡¢                   Bx CD%& #$!7=9 3` #^7./. ˜'()E
              £¤¥¦def #7'''7=9x :;7I$( §¨x #(#JŸ                <ˆv'$'!7=SFV9j :;7!$'wm '$!7=9 óèˆx F
              ”• "'7=>?. K,34 def‹ –— &' F˜56{                  =Ç !'7mŸŽ. "'7=>?x /dz *1- 0û?
              8 ('76x  ¡¢£¤¥¦def C'7=9x :;7I$( §                2u3ì     4#C7@ .

              ¨x #(#7LŒ©”• "'7=>?. M ¡¢£v;NOP>?Q                     èúGHI+‹ !'7nJ #7=9 舰 #7P ®
              RS?w¤¥¦def‹ 121E "%($!%6j D; ()E C%#$'%6j         hÑ #7!=SF stuUKL˜èì.
                                                                     èúMvoV=9wpvstu3ìq#7=6stui
              /6-E C ªI; (E%'$"%6j 12.F%'$#%6j .2.F (%'$#%6j 3T.F "%
              '$'#%6j ŒŽ #%'''%=9x :;%I$( §¨.                  ÷˜ìwVvèˆVìrNOJPs#7'''w
              (%) "%&'                                          #$($!7777•«Q    t RS]TU. V—WX•«
              #$($#%%%%•«¬y    –—3456{89: #%6 ­C                ­C= )*+ def¾x (87ude !vI7Zx TUm
              = #''%=9 ˜ )*+ ˆ‰def®x #8'%UV=>?j (8%             YZ•«hÁRS. w¹êhi]Q. •«
              W¯<de (C%P. °¤•±Q²®x — #%=9 de                    *1+ ù—m xy- [\û]X^=_`<abcb
                                                       C
                                             (
                                                  "
              ˆV¤•Ž³´µ¶·‘ #'j #' j #' j #' j #'             !   cde. Êû]f‚g­x hijklmn]ox
              ˜¸µx ¹º»œ= ,- ¼½¾x ° (8%X¿ÀŸ                      pV 1NOFTSz>ZT7 i9+-y d e ] o å q ¹ r x V
              de "Y!%Z. z—ÁÂÃĘŕ•«Æ­C=                         /l4+7&$' sÀtu¹rx vwxy†z{.
              )*+ def¾klÇno.                                    #"""&'#()
              #$($(%%%%./.Q12 ŽÈÉyz       ʬyË̘•«              )%(  ()*+,-./01
              V '$!%O= ˜ÍÎ_ÏÐѕÒx ¹ºÓÔ­C°                            |¯<j ¶·x }yzdef ,- ¾yzd
   55   56   57   58   59   60   61   62   63   64   65