Page 25 - 《寒旱农业科学》2025年第8期
        P. 25
     ! !                   ¹ º I m» £¤¥â>?23Æu:_¼½L|                                  ½ %&$ ½
             "#$%&'()                                          "#*#"++++Ëç>?23./6
r1[                <=
             "#"#"$$$$*+,-./0123456789:;                       *+>?23./)T
rE÷Â@Ai BCã
             <=>?23/@ABCDEF3&GHI 01                            ߯>Di E2rF÷G>Di HI>Jmö
             3&789:;J KL>?3&/M                 N%&$'$%($O P <=  :;:KI L5L$%>?23./                  N..+,+."+O P
             >?23./QRSTUVWXYZM[\J ]                            3E2r>D6ªMNfi O:K6Pi >
             ^_`./abcdJ efghi jki lAm                          Q'(6Ri ÂS¾T»ÆrüfmnoI þ
             no6pqrstuvJ wxy_>?23z{                            ÿ'(Uo6V;ÖW*+I ÉÊËÌ>?2
             |}~ri rI 23&&P                              3./6E÷r
r1[P :5L$%g
             !"#  !"#$%&'()*+,-.                               h:;I <=S¯i XYi ÂSi YZi [hm
                 pqri 
r:/L6                          456:KR>±I \]3&45^P ËÌ
             cI hi jk6                           _Å>?:;6NfÍÎI Ãpq[\?@
             >?23uvI c ¡                   N%)$O ) ¢   ./6);ÀfI ®_`i abc«de6
             £¤¥>?23uvpq:jf¦§¨                             üfh[gfI ËÌ>D6NfÎI hi
             6y©J ª«¬®>?23uv6pq¯|                            îï_`>Djklf6mnopP
             :)                                               !"$  /0%&'(123456-.
             "#*#%+$$$°±>?23pq«²[\              c³+´µ              S¼>?23'/6Ð+st0qi r/
             ¶·¸6¹ºJ »noS¼½UVWXYpq[\                           '(0qs/0t6)i uvuwI zo
             6¾u½¿ÀJ ÁÂÃÄ_Å>?ÆuÇÈ:;                           Ëç>?23./6sti '(xÀ12P
             6J ÉÊËÌj'ÍÎJ ÏSÐÑÍÒ                  N%!$,$%-$O Ó  "#%++++uv)ÌØsty'(0q             *+.
             Ô»noÕ¿Ö×./6¬J °±£¤¥>                            /@zÐ+str/'(0tÜ{|i }u6
             ?23pq«²P &{ÇØÖ×Ù¬i Ú²./                           nGI ~ÌmâãS_`23r/
             jÀi ÇÈ@ÆÛJ ÜÝÞ./Ú²ßZ                           I uv23str/0qyfL'0qP
             Mz¥àáâã6>?23pq«²I äåæ                            
I <=./-¬)?Å>?23r/12
             /MËçI wxèzUéê¥ëìíP îïÅ                           s/Ð6ÌU0qI UVö623
             µ9:£¤pq«²6>?./Åði ñòi                           stÐI Ëç¥>?23'/6Ð+1[
             ñpm./I cËóôõi Îö'÷I Ö×z¬                          UP 0q6)I 
ØÖ×I Ð
             *+:pq«²P ø./Åùúi Ŭ6I                          ÚânÖ×)ÌØ0q6ÖWI
             ûüýþÿ<=*+I &{
