Page 7 - 《甘肃农业科技》2022年第5期
P. 7
!"#$%& ' !" ( ' ! ) !"#$% &'() *+,) "#- ./+0#) 12) ! "#$%!& "
! ! !"#$"!%!! #$%&'()*+,-.
PQ
0*âã 0¸:*
(l
B"C8$óôõEFùúû £o &) × £o &* × £o &+ × £o &, × £o &! × £o &- × £ *+
o &. × £o ,) × £o ,* × £o ,+ × £o ,& × £3F + ×
B"8$ô Bo +- × Bo +/ × Bo +. × Bo &+ × Bo && × R , × -
B"C8$óôõªø&Sùúû £o && × *
9T@8$óôùúõ 9o - × 9o / × 9o 0 × 9o . × 9o *) × 9o ** × 9o *+ 0
× 9o *& ×
B"8$U$&Sôõ B0 + × B0 & × B0 , × B0 ! × B0 - × B0 0 × -
V@8$óôùúû Vo . × Vo *) × Vo ** × &
s@8$óôùúõ s ,+ × s ,0 × s ,. × s1 */ × s1 *0 × s1 *. × s /
1 +) ×
8WX8$óôõ 8F &! × 8F &- × 8F &/ × 8F &0 × 8F &. × !
:Y@8$óôùúõ :o ++ × :o +& × :o +/ × &
ÁZ@8$óôùúõ Áo . × Áo *) × +
:Y@[P*$v\]^_` [P &*! *
abc8$&S®¯<d ab *. × *
<=óôõefªøùúû ef 0*& ef 0*, +
:Y@g8$ó&]Kv\_` g &*- *
hbc8{ø*i0¬û b1 * × *
!!!!!!!!!!!!!!!j§ !.
*+,-./0*1 2*1 340* 5#$6 7 × ØÙF ÚÛ ** ÜÚÝ:*©B"CªS
%&#&%$$$$89:*+,-./0* ;<=>?@ «ÞvÕ|Í
)A B"CDEFGH:*I8J:*KL7 K %&#&"$$$$340* B"CV #+ º» !+ W¼ß)
MNOPQ:*DRSTUA V %'!% WXYCZ j *+ W¼@A àváâãäå]^M340*æ
[\]^M_`aDb*+,cde fghij çèâéê0* ëìíî0 ïð0* ñò
DEF:*k (() le m<nEF %!% le oE 34¦7 B"C8$óôõö÷{øùúû ü
F #'* p7 qrst,e um<vwxyzM{ ýP8$óôùúûÕ|:*ÄÅþÿÀ # ×
K34|}~{K*I
A u {K}~0¸MBFþü,!.":*A
DPQ:*A PDoF v#$%MEF&'A ÿm(BF , ש£Ã
F <D:*F nFþoF¯K*)A ®¯*+,- *) .
F ¡¢ £¤D¥F F -. Í /ß0¸M."noEF:*01 2
#
¦A v§¨P©ªS«¬ ®¯° ü, <3 ¸b 48 4Ø ü Á5
%&#&#$$$$2* 2*±{©B"C²³M´µ¶· 67 BF £o Bo s 88 B0
D¸¹7 #+ º» !+ W¼½2¾®¯MEF:*¿ Áo 9oþ:o¦Í
ÀF B" '* ÁÂ ))( Ã #(%' ÄÅ Ä '%& !"#$%&'()
Æ ÇÈ % É ÇÈ ( É ÊË +#(* Ì4F %&"&%$$$$0*²³M;<¸# £Ã=>?üý
¦Í £Ã© #+ º» )+ W¼2¾M:*Î8 ( É @þ£Ã@ABCDEDPFGHA ¸KI=EF
ÏÐÑÒ ÒÅÓÔ¦e 2:*ÕÖ %+ &'JKLð ;E*DMP NODá
