PHOSPHATE EOCK: UTILIZATION AS FEKTILIZER. 



31 



is 



=3 



E 



o 

 p. 



■a 



o 



S3 

 Pi 



O 63 

 =5 



o a 

 3 

 o 



r3 

 Q 



a 



£1 



P. 

 "o 



li. 



w. — ■- 03 



Ua 



3 



s 



3-£ s 3_, 













tsg^ 



"£ 





o^oo d 



3 n 





.-.S'S^ 



3-3 3 3T3 



O 5 O O ^ 

 S °3 0. 0, & 



"3.C 



B. 



= c 



T 



p., 





p- 





P- 



PhPh 



A 







•S B 



























J3 

 P-, 







> 



■i-S 











<s 







g 3 











03 

















B . 







© o 





t4 





5=3 



s ° 

 — Sf 









|o 







a 



J2J2 

 tc© 





o 



"3 





■3 — 





- 







>> 





c g 





= 





03 



X! g 

























SB 



±3 3 







~ 



.3 X 



go 



3 



« o 









3 « 



© C3 



h 



C3.3 



•5 p. 

 p<^ 





5 



c 



£ c 



3 o 



©T3 



Si 



a 53 





© 

 ■— 



o^ 



- — 



■rJ= 



•Cfl 





a 



02 <; 







Ss 





s 



©~ . 



~3 



=3 =3 



=1.2 





0) 



> 



2 « 

 •S * 



P-c 





[5 [3 



■C.C 





■"i 



O 3 



— w 





© ft 







B « 





fc 





:- 



* 



s 



sa 



-g 



ge- 



ls °- 



a __ £ =: s a 



P. £ ~ P. p/H, 



'i 3 J" 52 ^ '^i 



d ^ =; g S3 













CO 





CO =3 





h 





^w 



s 



a 



3 

 5 | 



? 



.X) 



B§ 



s 



- 



li 



5 



a 



'S 



?ir= 



H 



^ 



K 



?? 



5 1 7 §§ 



^ 



ft. 





•"Sea Ss 



fl G C =3 ;£ 

 X) S3 ^ =3 w 



5 1 * a 



a ? 



=3 3" 



S 2 8* OS 

 ^^-g 3 p, 

 ^2o u 



c n'r ^ n a > n t- m 

 if, o P<o3 oo?Sp« 



li Ph Ph 



c o P<_ 



i c3«3J =3 =3 



■§!£ 



o3 o 



J2 ™ «> • 



=3=3-g,§ 



5S am 

 gocso 



OS OS 



3 3 33 



^ ® 



a™ 



CD 



o 



CO 



M 



3 & 



^O 

 ^^ 



OP- 

 EC ^ 

 03^ 



a> 03 



C3^ 



& 2 



03 ^ 

 •Sc3 



v -'E3 , a 

 =3o>2 



o o 





S a 



on 3 



pp w z 



=? 3 



a!5 



XJ-3 . 



■dSa 



■a «»« 



flOO 



* s% 



<^^ y-^ • ^o o 



JZ; O CD O (S <a O 

 33 £1 N ^^O »o 



/-? 03 a ~-^^r ri 



oims ^O ~ 



Tt~o-; 



; § as 5 



iE&fe» 



.3 V 



- -5-1 1 



. „W'=o V t : 3§.w 

 S^-3=-2 ; 



O C 1 - 



2 a* 



O-d 



»7! 



2 » o2 2 03 =3 g^a 

 fcSP^-g^^ftS 

 O pq 



a w 



P5 O 



a se 



10 l~ 0) ej 



S i? S -r 



2 8 



