Page 82 - 《寒旱农业科学》2024年第11期
        P. 82
      !&'(                                                                                     ! !
              "#$%&      '"#$%&%( ) *+,-$./012345               `°±²d !.#S°± @'#1         '((# 
              6789+:;<2301=>? @01ABC                            (+!+0####  íæî\cïnwðñ°
              D:E4F+GHIJKL) M=NO                   P'%( QRS     ±²æ:òócïôÛz^_`°±²æõö°±
              TUVWXYZ[\ ( ]GH^_`23ab:                           @'#1d ícïî÷nd øùwòócïf^_`
              c< !"#$%&'(()" )*+#,-(d ecf !.%/ghijk             °±²æõö°± ! Ód úzÀûc¥ü                  P((# 
              lm &0%1 n:opqrs/t (%2..%3456) uv                  !"%  +,-.(3456
              O P7#( QSTWXYZ[ & ]GH^_`23ab                           ôÛòcïì^_`qZ[æd !.#T°
              : c < d w x y < z { | 0 1 W !.# 8d } w            ± @'#1 n+ .+(9ýþÿ (#1d !"þd
              (7+!"9:0123) ~O           '(.# QRTUVWX         #n+ (#5H=46#-;<= ý$%d &n'(6)H*
              YZ[\ ( ]GH^_`23ab:cd x@                          +,%- 
-.HÀ*+,*+,/c]c
              01H:23abd y<01
lm d }                        ï0:1{2Z[c]            P(0# 
              23 (7+!29:01 *+^_`                        (+@+(####^_`qrbò3         qrbò343Ä:¡L
              QRTWXYZ[GH^_`23a                             ¥f;¡ghi5X6%- (#!:#A7489
              b:c<d c<lm:^_`qrb                            :Ä¥ ( órbò3d 5;<lm=>qrb
              qrbc<@{|01^_`                             ò3?@Ù 3456
              ^_` `:23abd Z[ ¡2301                           (+@+0####^_`q <G<Q-; q4<UÄrbò3:A
              :¢£,-$c<d ¤¥¦;§¨©*+ª                            ¡    wlmf @#V '%...%M45NO ghiYB (2%
              #$01.«¬:,-$¨©)                                   5NOd ÛæCd #nÛ @ DEFGH: 0.+.%56
              !"""!"#$%                                         GIJ5Kd ÔL4( 0 !@ÄnM"Þ (+.%56%
              !"! !"#$%                                         2W<G<Q-;d 
N ( LKW"Þ (+2%56%X-F ý
                   «R®¯°±²³ R®¯ !+.#: ´µ¶ (.+.#               Oqrsd #¥Pµ@Qd ÿRST+
              : -;<=## 2+.# : · ¸ (2+.# :d ¹ (# ...# 56d *>%  w @ DKñRf @.%Y¹UWVW 2Z(.%5NOd
              &+0?&+@)                                          èM"Þ (+.%56 Xqd @.%[¹UWYZ !.%5NO
                   ^_`°±²³ º 0.+.%: A 0>BC @%(+.%:           nÛ\d [ÙN 0 ! @%LKWM"Þ (+2%56%
              DEFC @%.+(%: G:FC @ »&> 0C%.+2%: -;<=%.+2%: -;GHC @%  X-F ý\üq]Fd ^Xj_n`¹U 2%
              .+..2%: <;<C !%0+.%: ·¸ (2+.%: ¼½²^_`          5NOd Û\abn+¾¿¹¡cd 0.+.%56d ^X
              0+.%:d (%...%56 ¾¿¹d *>%&+2I.+0                  e_  (%LKý¥Pµ@QSTfd f 2@.%
                   {|01ÀÁ°±²³ A 0>BC @ »!> 0C%%(!+!%           O5 gîiXêA¡ 0 ! @%Lh: CX ijå
              : A> 0BC @%@+.% : G:FC @ »&> 0C% .+0% : Ã-> @ Ä 0FC @%  k5Ä
lmn P(!% 
              .+2%: ·¸ (2+.%:d º 0.+.%:d {|01Å Ã             (+@+!%%%%^_`qopqjDB\Ärbò3:A¡
              (0. 7ZÄ@+.%:d ¾¿¹ (%...%56d *>%&+.               (%56 qì 2.%]  *>%@+' ghid 5X6¹3
              !"# &'()*                                         (%^5_"P^5 :opjDB\Ä%- (P!: A7j89
                   ÆÇÈÆÉÊËR±ÌÍÎÏRTÐ 2                        oÄ:q&¡L¥ ( ó DB\ qrbò3               P(@P 
                            J
                                    L
                                       L
                                K
              Ñd ÒÓÔ¥ (  0  !  @  2                             Û @ D (2+.P56 J5:Kd M" .+P0P56 q
                                           L
              !"$ +,-.(/012                                     d è" *>P@+' pqrs (+'P56 xW ! D#
              (+!+(####XY  Î+Õ5Öר>d ÙÚÛ                     ¥A¡hd M" ( gtu¥ (P^5`"P^5 opgd
              RTÐÜ (.#:d ÝÞßcàákWd "Àc¹                        vXw%xj2.a.+2ÄbyZ¹U !.P5NOz { ( D
              7.#56d ('.#M45NO jâãä (P1 nåæçÖ×d                #¥PµhñRx 42.c.+2ÄdyZ¹U !.P5NOd
                                              Q2
                                                    Q"
                                         Q@
                              Q0
                                    Q!
              è+Àc¹é (.  (.  (.  (.  (. Õ5Ö                 #nMh|Xê"Þ X-F }ÿ 0+.P56d ñRf
              ×d XêåÛ (..#R6#(.  (.  (.  (.  (.        Q"   PµK" ( gtu¥ (P^5e"P^5 opg MK
                                                Q@
                                     Q0
                                           Q!
                                                      Q2
              :RTæçÖרëìR®¯°±²^_                             |Ý`¹U~]F 2P5NOd abn¡cd (2+.P56d





