Page 23 - 《寒旱农业科学》2025年第5期

. å æçèéY êë ,-./012345ì8íîÕïð ñ (%) ñ

!"#$ %&'()*+,-./012345 •¢j
!%%% ¤¥¦j
6789:$ ;<=>?@A2BCD EFG2 vj
\Žj
HIJK6LM@A$ NOH,-.6IPQR &%%
STUAAVW6XCY Z[\.]^_`Y a
X,-./0345@A2JKb\.]^cd /012345äkl 2, '%%
6e2f
!"""!"#$%&'()*+,-. (%%
!"! !"#$%&'()*+,-./0
#%%
g,-.h\ij/012345klmn
opqr!sIt$ uvj/012345klw %
¬­ ²­ ´µ ?¶
xY y,-./012345kl6 "#$%&Y z 345ÜÝ
'()*)$+)(,f {|}~vj1€‚ƒ8D 1€ / " 0"123459:;<$6&'()*
'
12„H ++$'&D †‡/1€ˆ‰ !%$!(- D 1 ­b²­/0345lw“h’Î\ŽjÏЫ
€12„ŠD )‹'.Œ) \ŽjwD y, Ñ\j12®¼Èɹ­HhY ÌÍl“ v
-./012345kl6 !.$.&D /0‘kl j´µ345klxh’},-.É5/£ ÒÓ
H /(+'/$"*(,D {h’|\Žh\j1€ˆ‰“D ԇ/6´µÌÍÕÖ×Ø8·]

”?|•Ž–—˜™š›Fœ6xjžŸ ¡ !"$ 1"2$3&489:;<(=*5,-.
‡/1€ •¢j £ ¤ ¥ ¦ j § ¨ H '0$/& £ g,-.h\ij12Ö×Ø8Ù)/01
'+$0&D ©ªVxf 2345·]ÚlÛÑAÜÝNÞßàopqr "s
ItY 345klᯰ"âHvj\./
\Žj
vj 012Ø8㣠¤¥¦j/012Ø8㣠•¢
/.$.& •¢j
#+$0& ¤¥¦j j/012Ø8㣠\Žj\.12Ø8㍠?
½Y ¬­/012345®vj\./012
/0345kl Ø8ãw¯Y H *0%$11(,± \Žj\.12Ø8ã
)/01$#1(,
wY H "+%$/.(, ´µ/012345®¤¥¦
"#$%& j/012Ø8ãw¯Y H .11$11(,± \Žj\.
#0$/& 12Ø8ãwY H /1%$%+(, ²­/01234
5®vj\./012Ø8ãw¯Y H *0+$11(
,± \Žj\.12Ø8ãwY H //"$#"(, ?¶
/ ! 0"12345$6&'()*78
\Žj\.12Ø8ã
!"# 1"2$3&4()*5,-.67 !%%% vj\./012Ø8ã
¤¥¦j/012Ø8ã
,-. '1#" «¬­/012345®•¢j •¢j/012Ø8ã
/012345äkl 2,
w¯Y z° )."$#"(,± \ŽjwD H ++.$".(,f ² &%%
­/012345®¤¥¦jw¯D z **%$/%(,³ '%%
\ŽjwD H +#/$..(,f ´µ/012345®
uvjw¯D z %.1$%1(,³ ¤¥¦jwD H (%%
#+1$/1(,f ?¶/012345®vj·]kl
#%%
w¯D z "*"$..(,³ \ŽjwD H )*$0.(,¸r #sf
•¢j¬­345lx|}~•¢jh\j12 %
¬­ ²­ ´µ ?¶
¹­º»xY ®¼½¾¿ÀÁÂÕÄÅÆ2\
345ÜÝ
ÇÈÉÊË6¹­‹¯D ÌÍlx O\Žj¬ / # 0"12345=>?@A$%&'()*