in Agricultural Chemistry. 

 B 4.— ROOT CROPS, &e. 



465 



PER STATUTE ACRE, IN POUNDS. 



Combustible Matter. 



Elements. 



Azotised. 



Unazotised. 



d <u a; 



112 

 1400 





13 











2460 



850 



Inorganic Matter or . 























1 



1^ 







1 



I.-2 



Authority. 



oer of 

 'ses. 



Sulph 



S . 









.2 





of Iro; 



e. 







horic 





nic Ac 





5 % 







otasl 





a; 

 s 



i 



'g 



d 





^ i 











c 





^< 



H 



'■A'rJj 





«3 



i3 







O 















Way . . . 





Sorby 2 























1 







6 



22 



4 



112 



26 



32 



8 



— 



4 



_ 





26 



32 



40 



40 

























Chi. 









Richardson 

 ic lar son 



10 



Sorby 2 



21 



156 



102 



66 



21 





6 







3 



75 



75 



48 



















with 

































phos 

































acid. 















Gilbert 



24 



14 





116 



4 



32 



4 









1 



18 



22 



26 



40 

























^ CI 



1. 









Boussingault 



1 





22 



130 



14 



40 



18 



— 



4 



— 



10 



£2 



40 



? 



Way . . . 



6 



- 



5 



18 



4 



35 



3 





2 





6 ( 18 



8 



10 



is 

























Chi. 









Richardson 



10 



Sorby 2 



45 



40 



16 



66 



8 





9 









10 



25 



14 



















with 

































piios. 

































acid 















Campbell 





16 





50 



1 



70 



2 









11 



14 





29 



42 



McCalmont 



9 





4 



39 





62 



7 



- 



~g 



- 



39 



22 



23 



£8 



36 







Sorby 1 





























Way . . . 



3 



3 



10 



123 



68 



10 



10 





5 









18 



18 



90 

























Chi. 









Boussingault 



1 





33 



168 



28 



28 



18 



— 



13 



— 



2 



3 



28 



10 



68 





Sorbv 1 





























Way . . 



3 





3 



40 



13 



17 



17 



1 



2 









65 



10 

 



11 



12 











- 

























Way . . . 



5 



_ 



3 



97 



40 



27 



13 





3 







19 



27 



19 



54 





Sorby 1 





























Fromberg . 



9 





10 



299 



68 



47 



44 





1 







57 



CO 



44 



? 



Way . . . 



3 





17 



26 



40 



120 



11 





9 







50 



6 



22 



66 





Sorby 1 





























Fromberg . 



2 



14 



5 



97 



- 



87 



21 



- 



3 



- 



15 





11 



S3 



? 

























































Chi. 









Sprengel . 



1 





27 



168 



24 



135 



33 



3 



3 





36 



- 





44 



27 



? 







Sorby 1 



















"ijiiir" 









Fromberg . 





5 



2 



87 



7 



2 





- 



1 



- 



9 



18 



29 



36 



Fresenius . 







27 



242 





16 



40 





4 





25 



67 



33 



71 

























































Cl^ 











Boussingault 







11 



110 





5 



11 





1 









24 



16 



29 































Fresenius . 







60 



4 



2 



58 



9 





2 





4 





12 



9 



j> 



Way . . . 









226 





13 



4 





2 



- 



20 ! 





67 



16 : 



47 

























Chi. 









Boussingault 







36 



119 



trace 



7 



5 





13 





a 

 -1 





29 





29 





























-1 



i 

 1 





fh 

 starcl 

 1176 



with 

 starch 



with pec. acid 

 2196 



90 with 

 fibre 



of carbonic acid contained in the specimen. c. Iron and silica probably increaseil by soino dirt on t!io leaf. d. Too 



Fresenius and the others is principally onaccoimt of the lars;e proportion oV ash >tated by I'hillips ; and although I believe 

 dilference caused by a slight increase of ash. -f. Specimen probably not free from dirr.. g. Mr. Gyde states it as 



VOL. XilT. 



