Page 20 - 《寒旱农业科学》2025年第6期
        P. 20
     " "&. "                                                                                     ! !
              !!"" #$%& '()& *+,& -# ./012345                        .&"#
                   67! $"# 89:;& %&%"<'=> (&()(&!#              !.'" Îo& ¬%& Ï        Ð# ./Ñ#ÒÓÔG4
              !!'" ?   @& AB%# CDEFGHIJKLMNO2                        567! $"# ÕÖ¤×V& %&%"& *(<(=> ((')(%
                   GPQ!$"# RSTUVW& %&%%& !*<(%=> %+!)           !.*" ¼ # ./ØR !)ÙÚNÛÜÝrÁGÞßct
                   !&(#                                              3àr45!-"# Ö½> ,
V& %&%!#
              !!*" X   Y& Z   [& \]^& -# ./_`abcd               !.," Xáâ& u²ã& Xäå& -# Ì£®¯°f¾;
                   efg317hi!$"# `jkde& %&%(& %&<(&=>                 RG234567!$"# Í3fV& %&(*& .*
                   *,),(#                                            <((=> '"()'".æ ''%#
              !!," lmn# o1./1pqeGrsctJuv(w                      !.+" çY# èéê./®¯ëGrsctìí W9=?L:!
                   vx9ycz{|}~3G45! -"# >                        9>; ³´Gîïfðfñ£45!-"# òó> òóô
                   23
V& %&%!#                                    A
V& %&%
              !!+" # ./_`cabG:;41                      !"&" ©õö# CD¦÷øJ./_`;xcîïf£
                   ! $"# RS:;& %&%.<.=> (!,)(.                   bPQG45! -"# òó> òóôA
V& %&%
              !.&" & & & -# 1'J./                   !"(" ùú& ûüý& þÿ!# ./°f¾;RG23
                   _`abGPQ! $/01"# :;k1p&                      hi! $"# ")f& %&(,& ."<%=> (%&)(%%æ (!.#
                   ()(%<%&%.)&.)&*=# 233456//789#8:;/((!++"/<#=>?9#(()  !"%" #  $# %&./'Û W9=?L:9>; ³´Grsct£
                   (,&%/35#&!,"'(#                                   x45! -"# ()> *þ¤
V& %&%!#
              !.(" @ABA0 @C DA@AEAFG EC HIJAKA BC L3 MN# JO48=!  !"!" ûââ& 1+&  ½& -# ((' ,./Ex-.
                   28NL53L:8NLP9= LQQL=3 8Q 4:83L9> 958NM3L7 Q:8P RS9>8M  o1/î0£1²23!$"# 4056¤45&
                   <T!"#$%$&'() *('#$+ D9NN7#= 5LL75!$"# U887 5=9L>=L  %&%.& .% <(=> %!)!(#
                   M>7 3L=2>8N8;O :L5LM:=2C %&&"C (( <%=> ('()('*#  !"." 78B& 9:& X ;& -# CD./;E<<=°
              !.%" *   & # ./ ¡¢£¡x4567!$"#                      =0>6GE¿?8!$"# =0¤×V& %&%!& %
                   ¤¥;¦& %&("<(+=> ",)'%#                           <.=> !%!)!%"#
              !.!" §   ¨& ©ª& «¬# ®¯°±²¡³´RG                  !"""  @& A B&  C& -# DEuF406./
                   23!$"# µ¶& %&((& !%<((=> ,&),!#                   GEHIJW!$"# F0¤×V& %&%!& %<((=>
              !.." X·¸& ¹º»& ¼        ½# f¾;¿¡À¦ÁG0                  (&.%)(&."#
                   1k23!V"# ÂÃ> RSÄÅÆÇ& %&(!#                 !"'" XKL& X      ;& MN& -# O²Pà ¡|Q
              !."" X   È& ɬ%& ÊËË& -# f¾;3Ì£®¯                      J=0>6./ (c¥RGPQ!$"# =0¤×
                   G4567!$"# Í3fV& %&(.& ..<*=> .&%)               V& %&%!& %<"=> .!*)..(#
     	
