Page 69 - 《寒旱农业科学》2025年第1期

! ! ÝÞß, àá KLMN1â52G%<dãÄAB£dä¡åæçx è (&è

"# "#$%& $%&'()*+", -+ ' %$%. ™, G% ",$%!c ",$%' <526š›œž,
/0123$/4 526def '!.!9*c '%.%!*123, "gJ0HhG
!"# !"#$%& %m!!%.%/no ˜2‰O] +8‹Ÿ &8™, X
52678912$:;<=>?@, AB G%¡¢6£526¤›¥¦E§o ˜2‰O
52CDEF<12GHIJKLMN12O, f '8™, G% ",$%+ £HhG%ijkl13G
PQRSTUVWX=>YZ [()*\ 4 ]^ + _`a +%%%! <¡¢6¤›+"¨©, ªG% ",$%!c
b, G% ",$%-c ",$%' <52CDEF, 526 ",$%' ¡¢6EJ, def %./0/ | %./9:o ˜
def '&./%c '+.0&*123, "gJ0HhG%ij 2‰O«¬’JŸ 08™, G% ",$5- | ",$5' <
kl13G +%%%-m! ! %.%/no G% ",$%+ 52C 526t0 &5.55*123*, pHhG%| ",$5+ ­®
DpHhG%ijkl1qG +%%%-m&/.'/*123nr rsš"g¯°m!!5.5/n, ªG% ",$5+ |Hh
s)"gm! " %.%/n, 526f &/.++*123o G% G%<526t0 +5.55*123, -+w2±²³<´
",$%& <526f +-.%/*123, "gt0HhG% µ¶¥¦12G¡¢, ·_Cp12G¸¹º<
m !!%.%/n4 -+G% ",$%-c ",$%' 52CD+" »X¼, )½¾<´µ¶¿À­¼»Á³•t, ]
u0 ",$%+c ",$%&4 ª¥¦12G52CD [+&*\ 4 vwH®_Â, GÃ
$% ",$5- Ä ",$5' Ł2‰O”¡¢6£526u0
) )
#$
#% + + RÆG%, ÇXEÈ<€2CD4
m23n 1 &$ * +./.+****€‚ƒ„CD É^ ' _`ab, ‚ƒ„
&%
5262 !$ ‰O] 5.-8‹ŒŸ 5./8™, HG%¡¢£526
!%
<¥¦E§4 ‚ƒ„‰Of 5./8™, HhG%i
'$
'%
jkl13G +555- ¡¢6£526Ž+"”
$
% •–—, ʼnOf 5.98™526Êf /.+'*123o ‚
Hh ",$5- ",$5+ ",$5& ",$5'
ƒ „ ‰ O ] 5./8 ‹ Ÿ 5.98 ™ , G % ",$5-c
G%
! ! "#$%&'( ",$5' ¡¢6Ä526Ž+"”•–—, ʼnO
!"$ '()*+,#$%& f 5.98™, ¡¢6def 5.066c 5./+/, 526
vw52x6yz, {xG% ",$%-c ",$%+ d e f +5.90* c -0.+&* 123, p H h G % Ä G %
| ",$%' fu}G%, HRde~€2c € ",$5+ ­®rs"gm! ! 5.5/n4 -+12Gł
‚ƒ„c € CDd†4 ƒ„‰OEt™Ë_`¡¢, ̇ˆ‰O‹Œ¡
+./.-****€2CD ]^ & _`ab, ‡ˆ2 ¢¶¤›Í=¨©, ¥¦R52CD [+'*\ 4 Α
‰O)Š‹Œ, ' %G%526Ž‘’“” Ï, ‚ƒ„HG% ",$5- Ä ",$5' ¡¢¥¦E,

•<–—4 ˜2‰Of &4™, G% ",$5+ |H ÐÑÅÒә‚ƒ„‰OÔ6Õ©Å 5./8`º,
hG%ijkl13G +555! 526š›œ Ö×G%EÈ<52£¡¢, ØÅ)ىO<‚
ž, def &0.++*c &&.067123o ˜2‰Of '8 ƒ„ÚÛÜ, G% ",$5- Ä ",$5' ¡¢6Ä52
) + Hh ",$5-********",$5)********",$5'
'"# Hh ",$5-*************",$5)************",$5' #$ ) )
)
#% + +* ) +
'"! ) ) *
&$ + + +
'"% &% * * ) +
-. (%% %", m23n 1 !$ / *
%"( 5262 !% /
%"# '$
'%
%"! $
% %
! & # $ ( ! & # $ (
2‰O 28 2‰O 28
m; f¡¢6, < f526n
! " )*+&$$,-./&'(