Page 46 - 《寒旱农业科学》2025年第2期
P. 46
¦ !"# ¦ ! !
!"""!"#$" ½Ç@ Nò.S½&W IXLXYW Þtß`Z
"#$%&'()*+,-./01234 ·ÿ[u òI½ÖâW !\`.#56>$%
%56789#:;<=>?8@ ABCD01 Sâ½&V
E#FGHIJK/LMNOPQRS T"#$U V %& E#F\#
müG@ %ÉÊ
'JK>WXYZ*[ AB\]^_JK`aO ]#S*@ ^_I56`ph1E#F
Pbcd[ eZfgE#F>h1SOh1ijV Z>ÉÊ]#S8hE#F ZI "!.1324
_k[ lABmenop#qh@ rstu vw 05.1%2V abÐ]#SOÐ#Ëc=>d)
xyz{HI#:;|1}N[ ~y&'()> müâe@ h1E#F ZàhE#F Za
A T""$U V
&'
bÐ]#SI@ Ð#Ëc=Üf@ gnhI
_`aJKyh1E#F@ JKJKIu ÙÚIâ@ ËiIj 5."6u
+
JKPQG@ hE#F "%#$&'()* 3.+# kJËlV ¬E#F%56·¸m°È
+
!%#,&'-)* Z/¡`JK%PQu ¢ ,}EÉÊ#Ë@ nÅ#Ë>ÆOop@ ¬
£¤¥¦§xi¨©ª«hE#F Z4 ¬ qrO T"!7U E#FÉÊ]#S>s>müÐ
E#F®¯eh1°±JKH² _V %56Åt>Â÷¸m@ I56
³´µ/#¶·¸[ ¹~yJK/PQº»¼ JKPQuLDÇ>vH@ E#F>01°È
½¾n¢¿£V %À56Á56ÂÃ/[ wx¬yvH@ ±JKH²Ð=>>#ËcdV
Ä#Åu ƺSÇ[ E#F°È,}EÉÊ* _kE#F°ÈHIJKab>E#°H@ nÅ
/#Ë[ ̵JKPQÍÎV _k[ E#FA° #Ë>zpV abÐ]#Sh{|JKE#O
l¶ÏÐÑÒ1[ HI¶Ï/|1N[ ÓÔ ¢}#°H>_7~@ E#Fé9:ÉÊ#
JKQÕ³Öר[ ÙÚÛܳI[ Ý«Þtß Ë;<@ ÓJK°È³ð?OE#Ë@
`JK@ h1E#FàhE#Fá©PQS HIab>Ð]#S T"%,U V
âHã@ E#FÝÞtßPQ/~yÒ1A° ab#Nh{|56·¸mab¢}#£
n\ämåOPQæç,èV Þtßéê+,Ð °>e~
z@ ab#N>d)@ E
ݺë/\ä@ E#F°È%\äìíîLïð #FAâHIJKab#N@ %56m
/#ËOñËcd@ ~y\ä/PQOº»@ y Þtß.`ab#NmÄâ@ ë 6.15 k
¹HIJò/óôPQS@ ¬õö÷x T%$U Ýø JËl@ !\.3ab#NâI«Þtß T"5,U V
ùPQ/úûmüÐzýV hE#Fþ@ E#F>Ò1A°hé9:JK\ä>#Ë
JKQÕ¾ÿ@ ¢¿£½¾V °HOab>PZ°@ HIab%ô·¸
!\"#%h1E#Fþ§$%Sâ½ mE,#Ë>°HV _kabÐN>
&@ n*'($%)**+,½Ö ++.++/@ -. d)âe@ %56m@ h1E#F Z>a
/01½Ö 0".%12@ 2JòPQרu ¢£¾V bÐN©f«hE#F Z@ n*)a
!\.3+,&¦PQ>æ4@ n56OPQ >N½ÖM8Ç@ ë +%.#"2W JK,
ÉÊcd7Î8IV E#F°È9:ÉÊ>#Ë >½ÖM8Þ@ ± "#.#+2V h1E#FA
;<@ ±!\.3>\äH²=>>PQcd@ HIÉÊ]#S@ nJKabG>
,|«n§$OPQ T"+,U V ?@@ E#FA°l V 56ýJKPR>må
!\"3>\äPZMABPCDúû@ ½¾n O°G@ Ó >NÜ
¢EFG>°H@ _kI`JK*@ h1E# ½ÇV E#FéEÉÊ#Ë@ n¡56J
F Z>JK,%LMu òIu Nò.SOi¨ K>G@ ¢>£êPZ° T"3,U V
©ª«hE#F Z@ ¬PQ!O T"0,U E#F ¤¥@ %À56Á56Â÷¸m@
+
R¶ShTUV¢6£
müÐzýV ÉÊ*hE#F "%#,&'-)* !%#,
+
hE#Fþ@ ,.`O!\`.3LMâ &'-)* A9:JK>PQcd@ ~yJK>PQ