Page 51 - 《寒旱农业科学》2025年第1期
P. 51

! !               ²³´* #µ ‡9:;-ˆ‰97fgh‹‚DE56¶7}Ue·¸                                   ¹ ',¹


             "#  $"#$% &'()* +,-./* 01#2345                        PA=>N =;;=N<D=K> FMQ@BEA=>N =LI;KH@F N;<=> ?=@AB [? =>!
             6789* :;-087<=>7 %&'(&$))?                            M;@<F=>N DQ@ EID<P@ <>B ED=A=Z<D=K> KJ C<D@; <>B >=D;KN@>
             *+,-.$# $""$% &'@A* -76BC !&/* DE5                    BE;=>N N;<=> J=AA=>N => C=>D@; CQ@<D !#"" .N;=MEADE;<A 9<D@;
                                                                   8<><N@L@>D2 $%!Y2 $!!G ,Y*)Y"
             6FGHIJ* KLM6NOPQ* 7RSTU
                                                              !+" 8./ #2 9./- 62 9TW1: 7 #" 7QKDKF?>DQ@F=F <>B B;?!
             V=WX 01$234521$224? YZ&'[+\&'
                                                                   L<FF I;KBEMD=K> KJ C=>D@; CQ@<D => ;@FIK>F@ DK L=M;K *
             ]^_`* \ab]^@A* Y-76 0$(&&$
                                                                   FI;=>PA=>N =;;=N<D=K>!#"" .N;K>KL? #KE;><A2 $%!(2 !%Y>$G
              "
                  %
                                    #
             ) 6+) c d 7 6 %0&89.6+) e7fghijDEk
                                                                   ,'Y*,)!"
                                        %
             lmh56nX* ) :1;0$<6+) * K+-76 "$2&&$
                                                              !Y" 6:3 \W-5 # SUV:3SU O2 #U./. 3" /EL@;=M<A ;KED=>@
              "
                                     %
             ) 6+) c d 7 6 %0&$9.6+) e7fghijo:1;&$                 JK; FK=A C<D@; B?><L=MF J;KL D;=MPA@ =;;=N<D=K> !#"" .I!
                  %
                %
             <6+)pqrsGH* tu5 &1(4v wxy+zy.                         IA=@B 8<DQ@L<D=M<A 8KB@AA=>N2 $%$%2 +&G &(!*&+,"
             /* -76BC{ %&4* 7RSTUVu|{                         !!%" q   €= \‚= ƒ„…= e" †‡9ˆ‰4Š‹
             3"1(&4* f}~STUVWX{ 2&1=34? €A                         ˆŒŽ‘’“U”•–V—˜! #"" WX\]=
             hje7fdT6=GHWX‚DEe7fS                                  $%!,= '!>!%@ !,)'*!,('"
                                                              !!!" ™_š= q €= › œ= e" †‡ˆ4ž)*-
             TUV?
                                                                    Ÿ”L| ¡Z¢V—˜!#"" ˆ‰£L\]= $%$!=
                 ƒ„…†* ‡9:;-7}_„Jˆ‰9*
                                                                    '%^!@ &%*&("
             u|-76Šd 7 6‹‚DE56c 7fST
                                                              !!$" A ¤= ™ ¥= ¦§¨= e" ©ª«¬­®)*†
             UVc ŒŽŠ‘’V[N“”e•–—T*
                                                                    ‡¯Lˆ‰°±²³! #"" ´µ:.¶\\]= $%!Y=
             K˜-76Šd 7 6u|™_še›œx* •–                               ,%^$@ $&+*$''"
             UsAGžB3? Ÿh ¡56c 7fSTU                          !!&" ·¸¹" º»:.U\|7¼!8"" ½¾@ lm:.
             V#¢£* ()‡9:;-ˆ‰9¤¥-›‚                                 ¿ÀÁÂÃ= $%%%"
             D E ¦ § e 7 f g h ¨ © ª - 7 6 ) "$ 2&&$          !!'" ÄÅÆ" º»:U|7!8"" & Â= ½¾@ lm:.Á
              "
                  %
                                       %
             ) 6+) c d 7 6) %0&$9.6+) * «¨©ª¤¥-›                    ÂÃ= $%%%"
             ‚DE¬­>7X5n®¯h°±?                                !!," ÇÈÉ= ÊËÌ= ÍÎÏ= e" ªžÐÑIÒÓÔ®
                                                                    º»Õ|jÖר|7!#"" ÙÚ:.¿\= $%$'= &
             !"#$%
                                                                   ^,?@ '&'*''%"
            !!" # $" %&'()*+,-./01234567
                                                              !!)" ÛËÜ= Ý      Þ= ßàá= e" âãä&åæç-
                !#"" 89:.;<= $%$&= '(>'?@ )%*)&"
                                                                    ®º»Õ|èé!#"" ÙÚ:.¿\= $%$&= $>!$@
            !$" ABC= DEF= GHI" JKLMNOP,QRST
                                                                    !!&&*!!&Y"
                 UVWXF-YZNO5[!#"" :.;<\]= $%$$=
                                                              !!(" êëì= ƒœí= î        á= e" ïðñ òóPU¯
                 &+^!)?@ !''*!,$"
                                                                    ôõ4)*-Ÿ3öõ÷øV—˜! #"" )*¿\=
            !&" -./ 0 12 3.45/6 - 72 8.0 9 :" -;<=> ?=@AB <>B
                                                                    $%$&= &!^,?@ )'*(&"
                 C<D@; EF@G ;@A<D=H@ I@;JK;L<>M@ KJ C=>D@; HF" FI;=>N M@;@!
                                                              !!+" ]WRR:115 O2 6.\WO. O2 -U./ ^2 @D <A" W>D@N;<D@B
                 <AF => @<FD*M@>D;<A O<FP<DMQ@C<>!#"" R<><B=<> #KE;><A KJ
                                                                    <FF@FFL@>D KJ M;KI I;KBEMD=K> <>B ;@FKE;M@ EF@ @JJ=M=@>!
                 7A<>D OM=@>M@2 $%%%2 +%^&?G ,&&*,'!"
                                                                    M? =>B=M<DK;F JK; DQ@ U" O" RK;> V@AD!#"" -AK[<A 4KKB
            !'" ST./- 82 3U S2 V.W X2 @D <A" :JJ@MD KJ L=M;KFI;=>PA@;
                                                                    O@ME;=D?2 $%$%2 $'G !%%&&Y"
                 =;;=N<D=K> E>B@; IA<FD=M J=AL K> IQKDKF?>DQ@F=F <>B J;E=D
                                                              !!Y" \./3.U9: V2 ^WT.]. #2 RTW\:/-: 72 @D <A" .N;K!
                 ?=@AB KJ N;@@>QKEF@ DKL<DK !#"" #KE;><A KJ O@>FK;F2 $%$%2
                                                                    >KL=M EF@ @JJ=M=@>M? KJ / J@;D=A=Z@; => L<=Z@ [<F@B F?F!
                 $%$%G !*!'"
                                                                    D@LF => FE[ O<Q<;<> .J;=M< C=DQ=> DQ@ MK>D@_D KJ =>D@!
            !," Y_`= G a= bcd= e" LfghU/0ij
                                                                    N;<D@B FK=A J@;D=A=D? L<><N@L@>D!#"" 7A<>D OK=A2 $%!!2
                 P0k! #"" lm:.no= $%!,^'?@ !'*!Yp )&"
                                                                    &&YG &,*,%"
            !)" q r= s t" JKLfghUVuvwxYZy
                                                              !$%" ùúû" LMüW4ž)*Mý ¡Z¢V—˜!6""
                 zPZ{|7! #"" :.}~\]= $%!)= '(>!%@
                                                                    þÿ@ !€:.¶\= $%!&"
                 !!,*!$!"
                                                              !$!" Í")= Y      #= $   %= e" LfüW4&ˆ)
            !(" 3W #2 9./- 02 ST./- 82 @D <A" 5ID=L=Z@B L=M;K*FI;=>!
   46   47   48   49   50   51   52   53   54   55   56