Page 68 - 《寒旱农业科学》2024年第10期

!"#$%& !"!#2/&"ž$'##Q'#(
!"#$%&' "( )"'*+,$-* ,.$-/#'0#$&' 1/-2%/23

!"#$%&'()*+,-&'.()/0

123456789:;

!=>
$?@A*BCDE.56789FGHI' )* J@ 5/6"""&

*+, KLM?@A*BCNOP5QR' STUVWXYZ[\]^_`a?@KLP5Vbcdef'
YZWXghijkl< manYZUghoKLpqrstuvwo67Nx' yz{KL|p)} 5 ~m
€' ‚ !"!"%!"!! ƒ„ / + †' ‡ˆ‰Š‹ŒŽ‘’YZWXgh“”WX•–—c˜KLP™o|
cVš›< œžŸ' ”¡¢ŽŠ‹Œ˜YZWXg£“¤¥' Ž¦Š‹Œ%" 789* §¨Ž‘’YZWXg
!
£“ /" :;89*$©Uªpq«¬­Ž® 6"<¦™' ¯° 6"<¦™±² ! ³´µ¨¬­Ž®&¶·¸¹ºYZUWX
!
»Y™¼ =>¼ ½¾¿¼ À^' rbWXŠ‹c»™oÁÂÃÄř' §¨Ærb‰KLP™o|c' ÇHWX»
Y™¼ =>¼ ½¾¿¼ À^Èɹº /(25<¼ &"2'<¼ !/2!<¼ '2/<' WXŠ‹c»™oÁÂÃÄřÈÉrb /'2&<
o &"2(<' KLÊ˗ÌÍλ™oP™rb !62!<o !/2&<< ÏÐÊÑ' YZWXg£“ŽRҙVŠ‹ŒÊ
ÓDWXg£' ;ÎÔPÕ|crÖVם<
-./% YZUØ KLØ WXg£“Ø Š‹ŒØ WX—ÙØ P™Ø |c
01234, !"#$%&! !'()%*++++++++++56789, ,+++++++++5:;4, *-.)/*0)*"*-*(#0-12.((123
+++++++++456$0-%&.$.78%699:;*-.)1*0)*%*-*(%0-%-00

!""#$%& '" ()*+,-$ ./)%-0-1/) 2'34-,/5 6-%7 8+0-,/9+0:+0-,/ ;'-0 <3/,53/,%&
', ;'-0 =)'>/)%-/&? ;@*+) A//% B-/0C&? D,5 E@+0-%F -, 8D0-,/9D0:D0-,/ G+,5

?@ >+,-,A
<!=>?5=@A69BC6DB+E54FC:@,GC6D=HB=CIH@JFD?:5H5GK@LC5M5B65:@!FCN6DF@OF:BCFP@Q6=R=I:@SI:9=@)&"222P@O?6:IT

<4&%)+$%H BC;+D EFF7 ,G 4AF 4H 79F =,--+D ,AICG7D,FG ,A BCJ94C K,G7D,37L M,C1C+A N,7OL EC7 79F 9,;9 G+-,A,7O +AI +-:+-,A,7O 4H 79F
-43+- G4,- GFPFDF-O DFG7D,37G 79F 9,;9Q1C+-,7O IFPF-4=*FA7 4H 79F GC;+D EFF7 ,AICG7DOL 79FDFH4DFL 79F AFFI H4D G+-,AFQ+-:+-,AF G4,-
,*=D4PF*FA7 ,G CD;FA72 R4 =D4P,IF G3,FA7,H,3 DFHFDFA3F +AI 7F39A,3+- GC==4D7 H4D G+-,AFQ+-:+-,AF -+AI DF3-+*+7,4A +AI GC;+D EFF7
3C-7,P+7,4AL + 79DFFQOF+D FS=FD,*FA7 T!"!" 74 !"!!U V+G 34AIC37FI CG,A; 79F GC;+D EFF7 P+D,F7O W+A7+A; 5 +G 79F 7FG7 *+7FD,+-X R9F
G7CIO ,APFG7,;+7FI 79F FHHF37G 4H +==-O,A; 4D;+A,3 HFD7,-,JFD 34*E,AFI V,79 79F !>F:+A;!!G+-,AF$+-:+-,AF G4,- +*FAI*FA7 4A G4,-
=9OG,3439F*,3+- =D4=FD7,FGY GC;+D EFF7 O,F-IGY +AI 1C+-,7O2 R9F DFGC-7G G94VFI 79+7 34*=+DFI 74 79F 34A7D4- ZV,794C7 4D;+A,3 HFD7,-,JFD
4D G+-,AFQ+-:+-,AF G4,- +*FAI*FA7GUY +==-O,A; %" 789+ 4H 4D;+A,3 HFD7,-,JFD +-4A; V,79 /" :;89+ 4H !>F:+A;!!G+-,AFQ+-:+-,AF G4,-
+*FAI*FA7 Z6"< +==-,FI V,79 V+7FD EFH4DF =-+A7,A; +AI 79F DF*+,A,A; 6"< +==-,FI V,79 79F GF34AI ,DD,;+7,4AU G,;A,H,3+A7-O DFIC3FI
G4,- G+-,A,7OY =>Y F-F37D,3+- 34AIC37,P,7OY +AI EC-: IFAG,7OY V9,-F ,A3DF+G,A; G4,- 4D;+A,3 *+77FD 34A7FA7 +AI 3+7,4A FS39+A;F 3+=+3,7OX
R9FGF 39+A;FG +-G4 ,*=D4PFI GC;+D EFF7 O,F-I +AI 1C+-,7O ,A V9,39 G4,- G+-,A,7OY =>Y F-F37D,3+- 34AIC37,P,7OY +AI EC-: IFAG,7O VFDF
IF3DF+GFI EO /(X5<Y &"X'<Y !/X!<Y +AI 'X/<Y DFG=F37,PF-OX [F+AV9,-FY G4,- 4D;+A,3 *+77FD 34A7FA7 +AI 3+7,4A FS39+A;F 3+=+3,7O
VFDF ,A3DF+GFI EO /'X&< +AI &"X(<Y DFG=F37,PF-OY +AI GC;+D EFF7 G4-CE-F G4-,IG 34A7FA7 +AI O,F-I VFDF ,A3DF+GFI EO !6X!< +AI
!/X&<X R9,G ,AI,3+7FG 79+7 +==-O,A; + 3FD7+,A +*4CA7 4H 4D;+A,3 HFD7,-,JFD 34*E,AFI V,79 G+-,AFQ+-:+-,AF G4,- +*FAI*FA7G 34C-I
FHHF37,PF-O ,*=D4PF G4,-Y ,A3DF+GF 3D4= O,F-IY +AI FA9+A3F 1C+-,7OX
I/F 6')5&H B+-,AFQ+-:+-,AF -+AI\ BC;+D EFF7\ B4,- +*FAI*FA7\ ]D;+A,3 HFD7,-,JFD\ B4,- =D4=FD7O\ ^,F-I\ _C+-,7O

*
%&'()*+,-&./012 34'( k2 lm8 0;- i ?M Tn&opqrstT'u
*
&5678 0 9 ?M 2 :;<=*>?@AUB@ )vw2 %Qxyz2 1{yq|2 }8~&
A&CDEFGH&I J0+K L MNOP%Q'(& `a0€L r‚ƒ%Q/„x †‡qˆ‰)
<=RSTOUVW2 XYZN[C\]^_T Šx‹b‡ Œ2 Ž%Q/„‡‘z2 %
*
`abc2 `\def67gh* (;* i ?M j Q’“” ’x•y–—2 %Q˜™šL ›œPX

!"#$% !"!#$"%$!"
&'()% !"#$&'(#%&' (' )*+,-' ./0' 1234.56789:;< )*+,-. %/&!%&#(#011234*<