Page 79 - 《寒旱农业科学》2025年第9期

L ¾ / 01 23 45!"6789:;8<=(>?@ E 372 E

AB1 CDEFGEH!"69:;8<= æç,- D%G!".% WJKR¯'
(IJKLMNO>PQRSTUV WX1 YZ ,4; '()*
[\] ! 8EH!L6^_:;8<1 `aQ4 èƒÕ-鋌êG H>#I=-5,;4 ëÅìíâ
5EH!L69:;8<=(Ibc"M>?@1 éÑÒI^_1 FG J)JJ-55K, ëÅìíîïðñ
WdefLghijkl:;8<=(*km_ †‹ŒV
nopV #"""&'#()
!"""!"#$% -4, +,-./01234156789:;
,4, !"#$ vò ' ó`ôõ1 :;8<ö45$%> 3
mq:;r8Wst ! u1 8<vswxy 8EH!L678^_e()÷øù4ú5V û
z{|}~€PQ‚kmV mƒ ! 8„ † 67 úü1 "#‡ "& 4‡ "& '5‡ ")) ^_f ',,‡ 5,,-
!L6. "#‡ "$ %‡ "& '(‡ "))'ˆW‰Š‹ŒV .89: $%ý9:;8<=(ˆþÿ!ì€G1 "
,4- !"%& 5,,-.89: $%!L6!ì€Gˆ4ðñ1 ',,-.89:
[\Ž‘’“‡ ”•ˆ–—˜>:t8 ^_#!ì€GðñV Ýj1 "#‡ ")) $8!L
<1 G '*>™š›œž +,-./01 GŸ ¡¢£ 6!ì€G%&ðV f 2,-.89: ù!L6^_#ˆ
+12 ¤e¥¦§¨V 3 8!L6 "#‡ "& 4‡ "& '5‡ þÿ9:;8<=(>'(€G1 Ýj1 "& 4 '(
")) ˆ©ª,.67'‡ 2,-.89:‡ ;,,-.89:‡ 5,,-.89: €GðñV ó)1 fEH!L6>ù$%ÄÅ#1

> 3 8$%«%1 9¬.67'GŸ ¡781 ­® 45!L6^_9:;8<=(>?@*++è
^_¯° + ™V f±%W 52-<‡ ²¬W ',-,,,-=> —˜1 ,ˆf ',,-.89: $%#!ì€G%ðñ1
.;5-?9@'>³´µj78 53-?1 ¶e“·¸¹fº l-./-0$%12˜!ìN3451 67õ
S»¼>³´½j1 ­½¸¹ A, :;8<V ¾ ÿ'(N3V
¿ÀÁ:;=(‚ÂÃ>ÄÅ1 ­ÆÇÈ:;8< -4- +,-./012341567<9:;
>()-1 `bcÉÊ8Ë 5-.. W()ÌÍ Î;5-Ï 1 vò ' ó`ôõ1 45!L6789:;8
Ð 3 ÆÑÒ()+1 Ð B ÆÓÔ()ƒÕ1 ÑÒ <()+?@N345V û 67 úü1 3 8EH!
()*V ÓÖ()e׳´ C-@1 ‹ØÙ­®ƒÕ L6f ',,‡ 5,,-.89: $%^_#ˆ98<()+
^_j\ ;, Ú:;JK1 ÛÜJK>bcMIb þÿ!ì€G1 Ýjf ',,-.89: $%^_#98
cR¯1 \ÝވßV <()+>!ì€Gðñ1 8` "#‡ ")) ^_#
()*D .C-@Dàá()>8<â9mƒ8< ()+9l1 ˆ9 67 :;] 'BK44 ®<‹=V f
â'E;,,* 2,-.89: $%^_#9:;8<()+ˆgL45
()+D .3-@Dàá()>8<â9mƒ8< >%>'(€G1 Ýj "& 4 ^_#9()+'(
â'F;,,* €Gðñ1 Ý?^_'(€G4&ðV

-4; +,-./012341567='9:;
(),â !"D!! #9$ #
ãj1 $ # W()äâ1 ! # W“®()å¾D­Æ (),â@AÜ8<()÷ø>—®¯Ã,
>8<()âV Ì1 âßBlòC()÷øBDV vò ' ó`ô
* ! +,-./01234156789:

!"# ()*%& ()+!& (),-
$%
! &"#!$' '( ') * '+ ,- '.. '( '+ * '+ ,- '.. '( '+ * '+ ,- '..
/ .01' 234// 56 234// 6 234// 56 234// 6 **4*2 6( **4*2 6 **4*2 6 **4*2 6 ,74,8 ( ,74,8 6 ,74,8 6( ,74,8 6
7/ 2-4*2 6 *94// ( 2:4;; 6 2*4// 6 *94*2 ( 734*2 ( **4// 6 **4// 6 ,742- 6( ,-482 ( ,942/ ( ,9473 6
,// 8;4;; 5 8/4// 5 8-4// 5 8;4;; 5 374;; 5 3/4// 5 394*2 5 374;; 5 ,84/2 5 ,2489 5 ,34,2 5 ,34;* 5
-// 3,4;; 56 284;; 6 334// 56 384;; 56 2;4;; 6 2-4*2 6 2/4// 6 234// 5 ,*48; 6 ,*4;7 56 ,24,; 56 ,34-7 5