Page 38 - 《甘肃农业科技》2022年第5期
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              #$%&'( s D E F t + u v ) 1 w 5 x 1 2 u            &%$'(s ¤SFt+uv $# w 5€,šJx
              #)%*+(s RSF;0RSFWXSFYyt+<t                        2u '#%,)(s EFl§¨EFU©§t+= ª
              +uv $* 1w 5x12u '"%',(w z*+{|u                    •«,¨SF . EFl§= U©§WXnYyt
              -.w }~€,‚ƒ„…t+-.†‡                    ˆ+-.-$*-‰ Š  += •– . ¬­®¯t+;/0<= •° . ±²t+
              ‹lmRnYyt+= p7qSFt+uŒv $                           ; /1<= •–³vt+¥v $ w ¦t¡5€,

              1w t+5x12u '%"!(Š                                 ´Jx2u "%!&(Š
              "%!%#----ut+,-.       Ž‘’     ˆ$$-‰ u“”;•          µ¶·¸¹ºw »¼½€,´J,¾¿À
              –—v $! 4t+,-.W "$ 4˜.<™€,š                       ³‘ŸÁÂRSF,¾Ãt5ÄÅw 7qt+W
              J›œt-už;Ÿ'<Ÿ w €,šJut+                          DEF,¾ÃtÆÇw Èɺ»¼½€,„Ê
              ,-.v & 4-.= " 4˜.w t¡5¢–t+                       ,¾µlEFËSFuÌͳΊ

              ,-.u ')%)&(= ˜.u +%),(Š £•DEFt                    &KE  !"#$%&'(
              += p7qSFt+= ‹lW¤nYZt+¥v "                             ϟ ! ·¸¹ºw €,—v´JÐ & 4w
              w ¦t¡5€,šJx2u $*%&$(s p7                       t¡ÂÑÒcÓ[´JÐ= ÔÕcHÖ´JÐ=
              q S F t + v #  w 5 €  , š J x  2 u             ×cØÓ[´JÐ= ÙÚcÛT´JÐ= ÜÝÞ
                                                 ! ! "#$%&'()*$+,
                  *+,                                                                                 23 56
                                                              /01
                   -.                                                                                 '4   ()
                 789+       :1;*+,+-.+.<= >?%;/$.+-.+.<= @A1;0#1+-.+.<= B1;2#3+-.+.<= C1;4$5+-.+.<     !  67%89

                  DEF       GH1;:;5+3#<,+-.+.<= IJ1;=>+-+3?;+-.+.<= K1;@,.>+-.+.<= LM%;A.$+1B3+-.+.<=  E  6EFGH
                            NO%; 0<B+-.+.<= PQ%;C;D>#>;+-.+.<

                  RSF       T1;I;>+-.+.<= UV1;A+>>+,+-.+.<                                             6   JK8G
              RSFWXSF [%;A<L3.11+-.+.<= \:]%;M+N+-.+.<= ^_%;O<D$+>?+-.+.<= `H% ;C.B<$+-.+.<= a         J  &9K8J
                 YZ*+       b%; *+D+-.+.<= cde%;A#5+-.+.<= fgh1;:+L;>?+-.+.<= ij1;:+$;-+-.+.<
              klmRnYZ Ho1;2+D>#$;+-.+.<                                                                7   9K&!

                p7qSF       rj1;M+5+3;-+-.+.<                                                          7   9K&!

                                               - " ".$%&/012)3$+,
                                                                                                 23      5ß
                      t+,-.                                     /0
                                                                                                  (4      (P
                      DEFt+             à ;3/45,$<= K;6,2$78(2$<= LM;9%2#8:%$<                  &    7G%87
                    p7qEFt+             de;9;2-,"<= á;&(:/#,"+"<                                6     8%79
                EFl§¨EFU©§t+            âã;&,4"#50%$<                                             7     &%!8
                      ¤SFt+             ä[ ;<%#,7/(%$<= å ;&+/(<= æçè ;3"(7,#%$<= é:]         76    96%JE
                                       ; ."=%$<= ê_;<%'4"#$<= !H;32(#%$<= ë;>%/(+%$<= ì
                                       ; 3"$5"#/"<= j;*"4,=<= B;?2(%$<= T;@,#%$<= C;A4:%$<
                  ‹lW¤nYyt+             ío;B%4"#,"<= îï;!4/-,5$,"<= ð;3"5"47"<                  &    7G%87
                    p7qSFt+             rj;.":"(,=<= ñO;*8(,#'"<= ֍;@8(%$<                      &    7G%87
                ª•«,¨SFQEFl§=
                 U©§WXnYyt+             òóH;@,$5"+,"<                                             7     &K!8
                 •°Q¬­®¯t+;:R<          Ó[;@4"58+4"-%$<                                           7     &K!8
                   •°Q±²t+;:O<          ô;*5870#242C,%:<                                          7     &K!8
                       •°³v             õö÷;D"#502+/("$<                                          7     &K!8
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