Page 80 - 《寒旱农业科学》2024年第7期

¥ ((! ¥ ! !

"#$% &'()"*+$,-. /0,123
456789:;- "#$%&% '"#""&< =>?2 ./01/J %!
%&
345678@;AB/C:;D56E//C H '
FGHI'J. KLMN3456789:;OPQ 78`:;0 (
RST% UVWC0. XUSTYZ[ ()#$&% U $
VYZ[ !"#(&H\ "J< !
!$ &
!!
&'(l"*+$
p‰rKs$
&'sj$
{"+$
!& kjKs$ &Š‹+$ ŒŽ} h‹jk)$ &|r} ‚ƒ„ $
./01/J %'
%(
H %$ †‡ˆ
789:;0 %! ! ! "#$%&'()*+,-.
%&
( ' UV u
$
!
&'()"*+$
kjKs$ &Š‹+$ ŒŽ} h‹jk)$ &|r} ‚ƒ„ $ $$"&)
&'sj$
p‰rKs$
{"+$
†‡ˆ *("&)
\U‘’I“”•‡ˆo –—U˜U™Wš˜›‘’Ia
bœo –—U™WžŸ’IU œo –—¡¢/0’I )%&d ! " "/$%&'()*+,0123
"%&:;w™. £\¤<
UVzao 345678`:;,-WvwOP
! # "/$%&'()*+4-.
xUR{"+$% pqrKs$% &|r}. b
Qcu~za<
ST UV
!"$ !"#$%&'()*.,-
]\ % ^_. KLMN345678:;
!"#(&
[ '#**2(#**-./01/. ab[ !#!,-./01/. Qc€S
()#$& TC0. d12345678:;eZrng
3)#",&< XU. {+$3456ab78:
;mn. [ !#,*-./01/o ‚ƒ„ $m-. [ "#($-
! $ "/$%&'()*+40123

!"# !"#$%&'()*+,- (
]\ ! ^_. KLMN345678`:; ./01/J
[ '#*'+,#,)-./01/. ab[ %#"(-./01/. QcU H
VC0. d12345678`:;eZf-g 78:;0 $
"(#"!&< XU. hijkl$3456ab78 !
`:;mn. [ (#*$-./01/o pqrKs$m-.
[ $#""-./01/< =>/CFGqt. KLMN3
&
‚ƒ„ $
&'sj$
456`:;OPQcUV% uWC0. XUU kjKs$ &Š‹+$ {"+$ ŒŽ} &|r}
VYZ[ %(#*&. uYZ[ $$#*&H\ $J< 34 p‰rKs$ &'()"*+$ h‹jk)$
5678`:;,nWvwOPxURhijk
†‡ˆ
)$% kjKs$% &y()"*+$. bQc ! % "/$%&'()*+5-.