Page 9 - 《寒旱农业科学》2025年第7期
P. 9
! ! åæ> ¥ç èéSJnoêFëìÓßí î $%# î
"
"#$%&'()*+, "##$%% -./012 7, ",6&2 (% > *SkMp¼,~
"
!$"'#$()*+% 3 45" "#", 6 -#./ 789:;< -!62!5> *S67
NOPÝQ/) "#"#
=6> ?@ABCDEFGH ,0 I012 !.--&',. 6RSCTÓe-{àU(Væ> SJF
"
()*+% > #JABCDEFKL 11, 012-.&2!',. )*1^ÏÐ "#8%%> Âë 3##8%% )*1WX
"
()*+% M NOPQRSTUVW> XYZ[\] YZ[\F]^_`aÑbb\cìJdefg
"
U^_ ,#'34`^_1.-,#'#.()*+%aM bcdef ~þ 2#8(% h138i
ghiUDVW> jk;6lUmPn> onp 16"6,8888SJ{¦ÎHu_jõµî\ S
qr> ^_p2 116057"#6!53 Jklm,-AFnoWp0> _mÎHu
16"628$$$;st*uvDEwxyz{| uv_ vî\> {~q Wqrstu0¦FÎHWv
vwx}&~> _sfg
p0Wsp0 lmWqr0_v wå xyz â
^> {~;st*uvDEwx "#1#$ ã%&¥\{¦P-*{qrv&_î\> âã
"#"# 6> SJ\UD~ 0#6"3 Pä 3#5Fqrv_|SJ áâãñAr
"
"
+% > 6 26," +% 3 s> }~12 2!, }> _2 -3 > r
¡ ¢/)> £qfg ¤ Ø|r_v
&8### >.ñArv\
¥¦F§^3 ¨6(©> S -uvj "#"3 u_j@Oj
Jª01^«~ -,&61 9> 501^¬ > j^« 16,1 m.\ _v
3"60: fg 3,6#: ¤ !161:3 S 3=uv}> c âã bc¥\F
J&0®¯°oF±©²³´µ3 3, DEÛkü)> áâã Gº¥{
¶\·¸¹ºa» "0 ¶_1¼> 5 ¦P-AF Jå
3=õµ¡
½¾¿À¸ Áº Áú ÄGÅÆ¸ Ç /mWt\_v c âã bcF¢t £¤
ȸ ÉÀÊ˸
Ì
Íθ^¬ÏÐ ,#: ¥ ¦§¥B¨sDEM©^«> 45m
Ñ)*ÒÆÓsÔ*ÕÖרÙ> S q â ã
c ¦ F S J ¢ t D E
"
J\ÚDEsÓ)*ÛÜÝlÞ> ßà~t 1""6#2 +% > ªP-¢tDEF ,0635> ¢
*DEwx> áâãäå¹ ¡aÓ§¹fg t_v«"ì¬ j °®P_v¯°
¤¥a =æç 1&!0 6F 3!6-;,"63.è F áâãä±wA¢t²E³´" -6-!
"
é, "#"1 6F 236&<-,61> å§DEwx 3#./ ê +% qr> "#"2 6¢t_12 1#-60 9 _
~¶ëì> íÓåÓ§s&'()*=æ !#630 > P_v¯_2, 11,6!3 µm
¦ 2#=!# FÒÆîïlÞ W \_v SJmP-¶_=l>
16"63....uv&ðñòóô¦&0¼õ~»ö kl·¸¹-x¸ºÔ»> ¼½q&Òo¾-¿
]÷ ø1ùú^ûuv&ðñò+üóô> ¸À> KÁ_vF· á´c{ÑÂ
¦&_¼õ~ý»ö]÷ þ -#./ 6ÿ D' D)Ã ÄjDE,ÅÆÇ PÇ
Ý !1#.>ÿ !"(#> q 1#8/ l¶ _j4FP_v¯]> 6_JJ
$ÝØÙ> âãä%&;sAÿÝ^ D 1! Èqr ÉÊD "## 9 qr> D&
#62-8?> !1#8@ÿ¼ ,#A10#8B> !"(^ _·ËªP-F 1*" ÉÊDo¾ÌÎÍÎÏ
"C,8D> ø1ùúF^»'(fgF) SÐ5 Ñû ÒÎÓ¥-Ô
\> P_v¯
> ¦SJuvwxèéûsÆ®*¼ _ "3# mWu0_v âã c bc
õ~î+ ¥\m,-FuÕ&_î\> Ö ×Ø
,-./Â012Èß345 SJ*S6 ÙÚ¥Û\uÕ"P-uÕ¸ºª»AÜÝ
789:;45F<=> >?@&ðñò &_ !"""!"#$%&'()*+,-./0
]÷}&~A BÐC¨6:;> SJ !"# !"#$%&'()*
E D R E p ç 1&&& 6 215 r F , "#1& 6 F SJ&_> @©sRÞ
-26-5> @GHIJìÂKL~ 3##8(%M *S6 ßË )*ßË °<_1 àá_1¥âãä