162 



Analyses of Ashes of Plants. 



Analysis of the ash of the top :- 



Silica . . . 

 Phosphoric Acid 

 Sulphuric Acid 

 Carbonic Acid 

 Lime . . . 

 Magnesia . . 

 Peroxide of Iron 

 Potash . . . 

 Soda . . . 

 Chloride of Sodium 

 Chloride of Potassium 



Total 



In 100 parts. 



7-39 

 2-55 



6- 68 

 16-29 

 34-98 



2-50 

 4-06 



7- 28 

 9-46 



8- 77 

 none. 



Mineral matter removed 

 in an Acre of Crop. 

 16-7 

 5-8 



15- 1 

 3G-8 

 79-0 



5-6 

 9-2 



16- 4 

 21-4 

 19-S 



* none. 



99-96 



225 -8 



Specimen No. 113. — White Belgian Carrot. 



Prom the Rev. A. Huxtable.^ 



[/S'oeV, dark mould; subsoil^ yellow clay; geological formation^ clay 

 under lower chalk ; drained ; two years in tillage. After good crop 

 of wheat; manured for the carrots with 8 bushels soot, and bones and 

 sulphuric acid about 1 cwt., \ cwt. guano, and 20 bushels of ashes 

 per acre. Drilled (by hand) first week in May, 1846 ; splendid crop. 

 Collected middle of November.] 



Produce, in roots, 27 tons. 



„ in tops, 6 tons 7 cwt.* 



Per centage of water and ash : — 



Water. Ash. ' ^} calculated 



on drv substance 



Roots . . . S7-0 . . 0-82 . . 6-30 

 Tops . . . 76-0 . . 4-20 . . 17-50 



Mineral matter on an . acre : — - - 



Roots 497 lbs. 



Tops 597 



1094- 



Analysis of the ash of the root : — 





In 100 parts. 



Mineral matter removed 

 in an Acre of Crop. . 



Silica 



. . 1-10 



. . 5-5 



Phosphoric Acid . 



. . 7-86 



. . 3j-a 



Sulphuric Acid . 



. . 6-95 



. . 34-5 



Carbonic Acid 



. . 17-72 



. . SS-1 



Lime 



. . 8-26 



. . 41 0 



Magnesia 



. . 3-20 



. . 15-9 



Peroxide of Iron . 



. . 1-66 



. . S'3 



Potash 



. . 28-CO 



. . 139-2 



Soda 



. . 17-53 



. . 87-2 



Chloride of Sodium . 



. . 7-G5 ■ 



. . 38-0 



Chloride of Potassium , 



« . none. 



none. 







496-7 



* About six tons— Mr. Huxtable. 



