Page 89 - 《寒旱农业科学》2025年第7期

! ! ÕÖ×I ØÙ cd"#$%&µxy<=>¢£ O{|}~Až Ú @?! Ú

>
7
"#$%&'()*+,-.'/012345 y ?5@F%;<0!A<@€ 5= 4 75F%;<0BC<@O 5% C 75F%;@
67 " # ()'12+,89:; <=>/0 <0B4<@ztuv-ggF&!<0<6@;
?$%&@A '()$ BC34DE*F+@GHI JKLM !"""!"#$"
89ANKB,F'(-@ONKB.F'(.@PQRBS &‚Axyƒ„ †‡ˆAl‰I Š!$[
>&„‹Œ&ŽxyI cd")‘T’“
T /01#2U /0-.2; VWPQRX -304.2; 7 " #
()-YI Z$[\&F" #5@ ]^_ $%& 123 ”•:–‘—$˜]™xy&ŽAš›œžŸ
`I ab[cd()7eb[cd()' $%& 1 ‘ }~¡xy¢£ ¤: ¥C/@7@4<@¦ w §¨©ª«
A
A
23`+,89:f ¬I ­~F !06@DE8F@€ ®~F,60<@DE8F@cd"¯
A
-gBCFE6@hiI $%$ jkF$%$7!"#$ °±_{|}~I ²³´#$ 5@A<<@GHE8F µ{|
lmnop@7 $%$ 12qL:rsF"89::):r ¶·}~€ ¸·pO¹·ºh¬»¼T½¾A¿
>
p@+,tuv-g:F %;<06##@w xy 5= 4 75 O 4f JKÀ“34ANÁÂm„ÃmTÄ!Å
7
5% 1 75 ztuv-g: F%;#0!.#@; {|}~7 cdÆ,Çț*BÉ5 ’ÊBËÌÍÎÏИ
$%& jkF$%&7!"#$lmnop@F%;#066#@x ‡"xyªI mÑÌBÒÓÎÔI ²%&A$

!"
?3@ ?A@

"
"
'(A ?<0B!2 @ , " < '(A ?0,A2 @ / #$" " <
" ,EA
" ,EA
" ,
" ,
" <5
" <5
" ,5
#!" " ,EA5 " ,EA5
" ,5
#-"
#$"
#!" " !" $" #-" #$" "
%&!?!$'()*@ %&!?)+,"*@
%! "#"&$'("#%&&) *'()"+,
B'CD"+"> EE'CD"+"! EEE'CD"+""!
!+"
./. jk
"+(
./.01234564 "+>"" "+@

./7 jk ="+!$" "+$?" "+-
"+$
./701234564 ="+"), "+"@" ="+",(
"
}~ ="+>" "+"@> "+>>" ="+$!"
="+$
89 "+$$" "+,"" "+-"" ="+>!" "+?$" ="+-
="+@
;
9: - #9 "+">> "+!!" "+,?" ="+$)" "+@," "+,$"
="+(
9/ , #9 ="+$(" "+"?! "+,-" "+"!) "+@- "+$$" "+?$"
#
=!+"
./. jk ./.#1234564 ./7 jk ./7#1234564 }~ 89 9: - =9 9/ , #9
<
#

% * "#" ( "#% -./#0123/45 67*89/