Page 72 - 《寒旱农业科学》2025年第6期
P. 72
t (() t ! !
"#$%&'()*+,-.%/0123 !"""!"#$%
+456789:8;<=>? @ABCDEF "#" !"#$%"&
GHIJ KLMLJ NOPQJ RSTJ UVWJ úaCDeß"#$fgchij úa
XYZJ [\]^? _`abKcd e"#f g $%$& h? °½jøDEFGHIJKL°2 Q78RJ OP°
$
i$CDjklmnop $'()$ q *+ ? Ars 2 Q49RJ Sï3k¯T½ Q:;RJ »U(VW½
'""(&$ q ,? iAtuAvs ')% wx? yz{| Q:+R? keßÞat®@¯½jlZm¤Þn
At}~? {} e$-f g CDAt
úa 6>>? ßo#pqarsJ t5? ßo#
t/
pB? pqarsJ 5 $ ßo#pqarsJ
ArB "%.? AtzB @AB4 ßo#pqarskeßuvwx@¯
e&-f ¡¢£¤BCD*¥p¦o6§¨©ª yz{%y|}
«o¬B®@¯°±BCD°²? ³y] "$% '(%)*
^B´µ¶·¯O,[\¯O e!-/-'-f ? ¸y¹º :C?/0% ~6\oY«{Ôy
»¼½¾J ¿ÀÁÂÃÄÅÆBÇÈ e)-/-0-f ? ÉÊ? |}úô ADE/3%FG
½o
mË|©CD°²ÌZFÍÎB
Ï Y y @ ¯ y | } ú ô
ÐhÑ? ÒÓÔÕÖ°²A×BØÙÚÛ E6F/H&&1)4 6oÝúô
lÚ
ÎrØÙ? ÖÜCD°²BØÙÎÓÝ 6:/7I/"J Ço&y
Þpßà°°²áâA¯,¶·¯OBãÁE |}úô K4/EF7!%%'4 ': fª@¯
ä°åæçèÁÂÛl? é´ê e1-f ØÙ oY¡¢@¯{%y|}úô 4;L9,MN/
ë? ßà° &%-2 CD°²Byìíî ïðJ ENO"3% £¤oMa EPQL9RQNM#6LST9LU#7PM;PMN,TPV
ñÂáâ¯Op $"-2 sòóÎvô õaö e3-f ÷ ME67R|}ú
¢èÁCD°² $!-* °å? øùȰ²B "$& "+,-
tÁ@Aú¤ûüýô Æþÿ e"%-f !È"# ¥HCDp¦;ȧ.¨¦©ª;.?
É$%&'(ßà°CD°²Þ®@¯B) ïJ «¸Â¬X¥ä®p¯K°¨±² &%#
*ãÁä+Ó,·ìô -./ e""-f ÷¢01° +TV CD³´ ! µ©¶·J ¸¹´±º !#++
2½,3í½B4j56J 4j¬Eä°¬ »¼B½? ¾¥¿À $%%W"QXY:RÁCD½Â§
Öí, 456 ¶·B78? èÁ9:½° .é '#: B@¯ Þ? ÄïÁï§¹
CD°²B°å;< =>?$@AÚ
C ºÅ "'Z%#!AMTO? [¬Æ 0 ? ÇÈø 78J 49J
D°²B°åJ áâA¯ãÁEä®@¯Ó 78=49J :;J :+J :;=:+J 78=49=:;=:+#0 ɤ
,·ÂØÙ e"$#/#"'#f ? BpCAØÙÞèÁ9ED Çp¤È 78J 49J 78=49 °¿Þ4ĶÁTB
EFGHIJKL°2M!"#$%&'()($%* +*,'*(''?78NJ &.#78J &.#49J &.#78=49 QmEø"[%Z$R? Ü
OP°2Q-*../*%01".$2 .$%$3'2'4$! 49RJ Sï3k $!\"#]æç¨° &%#2ô Çp¤È :;J :+J
¯T½M5*.6'7&*(6',*.'&&82 7$(60282! :;RJ »U(V :;=:+ °¿Þ4Ä '.:;J '.:+J '.#:;=:+
W½M5$8.0(0260. 1$2$(6$%0')$2<#:+Rø°½jB QmEø"^"R? Ü &&_"-`æç¨° &%-2ô
CD°²°å? yXYZ[½jÖCD p 78=49=:;=:+ °¿Þ¾ &.B4jrÊ4
°²¿ÀÁ·ãÁä+×O78BØÙ\]^_ Ä78=49QmEø "a%Z$R? Ü $!b"-cæç¨
¼ ÉÊ? `abcdDEFGHIJKL°2J ° "%-2? ËÈÌíÍÁ ;? ¹ºÅ 'Z%? ¸E '.
OP°2J Sï3k¯T½,»U(VW½ø B4jr4Ä '.-:;=:+ QmEø"d"R? Ü
°½j? Ú
½j Q78J 49J :;J :+RJ :½ &&e"-fæç¨° $%-2 ΤÏÐ & Ñ
Q78=49J :;=:+RäÓ½jQ78=49=:;=:+RÂ[½ "$' ./01234
j°CD°²¿ÀÁ·B)*ãÁä+×OØ ;± :T e")-f , KRQ9TV  e"0-f BÛÒÓo¿ÀÁ
Ù? EAøÚ)×OCD°²ú¤ûüý Ô¤ "? "/ÕÖ#/$/ר#ÖÙ Q"<-"/2T;*LVgQ/-