ARABLE WEEDS. ASSOCIATION^WITH SOILS 157 



j^ >O'f-O*O!-<COOHkOOOO<O<OvCJOO'-' 1 -'OvO>-' OHO >O lO >O w 



l_ 



I 



.^c 



'c 



w. .... 



o 

 (C 



.S 



T3 S *2 *2 13 



C.C--5 c 



JSJc 5 



-.SP S -o 



*= ~ > , . . . 



l*b a a *-SP 



~"""'" Ta n '""' r1 ieo '^Z'O'a'3 ^^ ^ 'O "2 



1.2 c^cc c "2 c-a c c 



" c rtrttJ.2rt.S J3JS 'o'o JSS'* 01 " ' ' c ^5 ' " 



If r-tlitiiwj^ tltii ir .1^ i" 



?irtS'rtc rtrt<T! ?! n ! rt 'M'^ 'rtrtrtrtrt "rt ort2 ' 2 



IJIli-S-g-SJI-SlI -S-S-S-S^ -5^ c^-S -5 



i < -,CXvi)c t/ ' J iu__ 1 .flwCC 93 .CC .iC . .C 



SoogoSfcoSSwOo Sjoofi oo 00 o 



l.ga'g.g^'Sa'g'S'i^^ "s^ sa l&s s 



^* J 4)*^^-^? l ^4j l ^^ l - ( 4-t<-* ^^O^iji? D4> otn^ ** 

 O rt o O rt O o *o OOOrt^oooOooOOOOOrtoooO 



^^5^_ rt ^^^^^^.^^M^- rt rt ^_^-^^^^^^^~- j i t ~~ j| _^- - . .. 



< O- J ' 



I '!'= al ' " >1 ! ? 



l!?ril^i1;i$11-!'.1|l| 



WW^ 4>4j>*O^W^**pOc * J *w rtSc^ 



W .1 *8 I'a <fl ao|'2o : Bl_2|cc^g' ol'S.'E.^ c c 



1 i =^^ l Jl 3 J ^s s^i-ai Us 2 S 6? I 



!! 



