Page 47 - 《寒旱农业科学》2025年第3期
P. 47
! ! qrst 89uUvw6x;"V y "$% y
4D 23 "# 4D <=; $%D 76 &'&'D 89 &( *sL ef"#g]$)*O 01 &!D 23 "#
EFGHIJKL M &'"!(D &!'##D )*D 0> 4D 56 #+$D 89 &!D 0> &'%t)*uD 89 &(D
&'&D 01 &! GHJKL M89 &!D 0? &%&D :; "'$D 0> &'&D 0v &%&D @A $# 4w+,
:; "'$D 56 #+$ GHNJKO @A $# 4M2 -x$L ef2yO 76 &'&'D 56 &$# w.z
3 "# 4 D < = ; $%D 7 6 &'&'D 8 9 &(D -x$L ef2y {&!.-.&".| O
&'"!(D &!'## EFGHIJKL M0> &'&D 0 ".) #$%&'(
1 &! GHJKL M89 &!D 0? &%&D :; "'$D '%'' } + ~ '%'! } ( ~wV
56 #+$ GHNJKO RSL g #/%.0L \}
".( !" ! %/#.1O !!"/".22L }
PQ $ RSL &, TUV"#$WX&Y23 (%/'.22L '&/%3O ;#! t'%'' } +
"# 4D 56 #+$D 76 &'&'D <=; $%D 56 ~uh # L n"$/'.22L \
&$#D @A $# 4Z[&\]L ^_WX` 01 &!D qL ;b ¡ {&,.-.&(.| O '%'' } +.¢&% ~
&!'##D )* WX\a` 0> &'&D 0? &%& bcd £ #&/+.22L ¤¥¦;§¨©
ª«
aWX` ef"#gh2ijk%XO 56 #+$D ª¬O o! &' ~} & ~L *l®L
76 &'&'D 56 &$# $l&\GL ef"#$l ¯n !/,.22L °E±I²³oO
&]O $(&QcGm"#n56 #+$D 76 ´)!t '%'! } ! ~u¯ &'/+.22L l°
&'&'L e f " # o p & g \ q O r 5 6 #+$D µO " ~¶£ $!/(.22L l·¸¹ºO »
&!'##D 76 &'&'D &'&,"-"-&-$D :; "'$ $) " ~ '+ ¼½ªda¾¿L À -!.4L ÁÂ
ÃÄF\¬L ÅhUV;"#gIjk
% ! &'()*+,-./ !
Ƹ¾¿ÇÈL ÉÄ;Ê˳ÌÍÎÏÐ
$+ $.
"# $%& $'& $(& $)*
,- /- !L ÑÒÌIÓÔ½ª¾ÕcÖL ×·ÌØ
!"#$% $ ! ! ! # # Ù
ÚØaƸÇÈO $.¢, ~£ ,%/$.22L
01 !$ # ! ! ! " #
²³¾¿ÛÜݤ¥¦;ÞßO
23 #& 4 ! ! ! ! " #
!"""!"#$"
56 &'( ! $ # " " #
;àáâãäåæçèL éàêëìí
!$"&& # ! ! " # #
ãäîåO 6çè"#ïðàñòÂÃ&ó]
76 !"!" ! $ $ " # "
môçL õö÷øùD ÷"#úw&ûüý
89 !$ $ ! ! ! " #
Ã>þVD \V
ÿ!!"i#$L I
!"!)#*#*!*( $ ! ! " # #
%ð&'()*£¸ïðb+,-ª./0
89 !% $ ! ! ! " #
&1"#2 {.| O 345I6'ª72ð
:; #"( $ ! ! " " #
18'D 89:D ;7D <7÷"#=à>â?
<=; (+ ! ! ! ! # #
;@ðA7BC {&+.| O 3ðD;"#ÄL EF
0> !"! ( ! ! ! " #
GHIJ¸KL+M
ª7NOL PQ+R
0? !+! ( ! ! ! " #
"#L ñSTUO ;ª7V
"W {'%.| O
56 !(& ! $ ! ! # "
7àñXYZ[\QcL ]Æ^_
`a
@A (& 4 ! ! ! ! " #
ÇÈL bÆ"#cdef/&gh {'&.| O i
0> !"+B,-C # ! ! ! " #
VjkQlL 56 &$#D &'&,"-"-&-$D @A $#
!)*"+ ! ,-*./ " ,*.01/ $ ,23*./
# ,*.45/ ( ,*.657 )8"9 ):;+ ! ,< 4D 23 "# 4D <=; $%D 76 &'&'D 89 &(D
)/ " ,)/ $ ,2)/ # ,1)/ ( ,-)7 )=">?@ &'"!(D &!'## m n w o " # 0 > &'% A 7
ABC+ ! ,D?@/ " ,01?@/ $ ,?@/ # ,65?
'(/#"5D &$/(#5D &"/#$5D #/$!5D $/&%5D "/,"5D
@/ ( ,EF7 )G@HIJ+ ! ,KL/ " ,M)/ $ ,
"/D &/!+5D &/&,5L e256 &$# m©p]L
2)/ # ,2N/ ( ,MN7
!