Page 31 - 《寒旱农业科学》2025年第6期
P. 31
! ! "#$% &' ()*+,-./0123456789:;<=>?@ = &'& =
ABCDEFGHI% JKLMNOPQRST ~¬eæ<`ar 3v
3U&VWXYNZ[\] ^_`a] b5c4] æ] Â] r (ã!î
Nd9:efgHIhijk l"#m n opqr $%&" ÑËþ ¡¢£¤r ¥¦} 2%%
$
$
stuvwx23yzS{|} '()"'(*+ % ~Z
4*+ XY§ tuvçòX«3¨zSb5@
$
&
zS{| ,("%%(*+ r q4} ,()"&( -.r AÁ©I !!1!'(*+ e $$ dRSæTÿkxz
4} !(,'%
r wxn SDE3] ªJ] «] ¬] op] FG] ®
!"! !"#$%&'(##)*+,%-./01 ¯&°ï±8ABr ²T(z} ,%
X
23 Yr s(z} 2%%
³´¡ µ;<«¬RS
345e `a9:6_Q&'!5r )Í+/012
l'(m r /012345{Me 345eMr g¶MNMOed·¸Y+
!] e !¡ ¢£¤,23zS¥ Ò45¹Ýr ºY+»¼û¡
¦§¨©ªr «¬:®¯°±z²zv³ !"% 4?@ABCDE#FGHI#JKLMNOP
²´r µ¶·¸3¹º , »] ¸3¹º $ »] ¼3 QR-STU3V)WXIYT23
¹º] t®¼½¾] t®¿À&Á/0ÂÃÄÅ «¬Ò½¾IÝý] Å©ªQ<r jw
Æ] wxÄ7Æ] ÇÈÄÉe23±zr ÊÁË1 x2Ur õæUI¿;¡ ~!JkØ!5@A
gÌÍΡ ÏÐr ѪÒÓÔRÕ / Ö×Q 0 ØÙ ʯÔ!5c4§ 35EÀÁ5Â@!Jb5@
wÚÛÜÝ;<Þß±z3U¯Ô`aàá;<Y AÃÄS¿;wÚ9r kÒÁ5 0 @A 0
eMr âÕ3ãäåæcçèér 3eÑ HIÝeÅA;<¡ <2/01ïÆfetÇ%D
êë «ìÚíîÃï% 34± ï!Èö÷9)ÉÊËÌ $%,3 s¢\¥
Mð¡ tuvñò(óôÒõ] ö÷ $1! Í
r ÁÎÏÐÑÒ¾Ir æZCª)ÖÓ
$
ø] ùÝe9:úû% ï^_üýþÿ ÅÔÕr jk+©I !!!1!'(*+ e!] 2] È]
±z!32c"45HIr #$r HI%`S& ÓÛÜ45Ur aÖ+ר¼Ù] Ù ' »&±
&
'23{| $%%1%%(*+ r sÚ( 2%
XYr zr $%$" sÙ34Ú "(%%%(5r 4Ú ,(%%%
)*¯+!5] !J(!),¡
r üÛ+ÜrIÝÔKÞzS3eßp¡
!"$ 4"56%,%#78#9"6:#;<=>- Á59:!JkØ@Ar ÃÄ! à!¤
23 ár â9ÃÄâãv¤áäår âs¤á ' v
Á()*+Éæe-./.r 01Þ2± Oær 3çè)JN+ne¤(¡ µ4
z®¯340567r 8//0ä9:;eIá 5ÅÚ;<)Iéê+çèeëìZ¤
<=>?Â@!ABcçr CäDE3] FG] áäår íî~85(zr ïàðñ+
HIJ] KL3&MNMOePQ3±Á/0e Iwx9:¡
RSæTÿUIcV¡ $%$, stuvYWXYZ !"& 4Z[\#]8^_`abcde`#fghi
Í()*+[#jRr \¥ '3%
j]^ hj-WkAlmn+6o"pq./0123
_ï`aêbc 2% d¡ efg|hij A/0&4e/0¼Iòóôr 3'e
ÒP3kzÝ ;<r YZ9:lmnê!5r K õör ÷ø¼'ùú¼'§ 3ûüýÂñr ¼þ
L3] DE3] op] qrs&PQ3Áe ÞäÙ)eÿ] !&"B
#r !4±I
ftuXe 3 vbcæTwzSkx¡ o=>r 3 á^$4±r %æ&'¼IòóôzSUr Ù
væTsy(z{}| )% }
¡ ~ÒP3k ßQr 3±(r 4] )&*+,·¡
zÝúûeÒÑwxÝåI+ ~Zr ABfæ-ÚXL
)æTÿ[.zS¼
Iwx¡ tuvYWX
)EzS Iòóôâ}sr ÙßQ/¤r 3±0r
b5@Ae $) d]^_ïæTr ѪPQ` «¬ï1Ô*¯23cVr S°4567 0 8
$
2
a;<zS¼] vKL3±zr 7 ,)%(+ 4*+ ] 9cB:Ó ,(-.4 Õr ;@/<e