Analyses of Ashes of Plants. 



161 



Specimen No. 111. — White Belgian Carrot. 



From Mr. Thomas Brown. 



[Soil, heavy red loam ; subsoil, oolitic rnbbly stones and white clay 

 mixed; geological formation, xho, " Bradford clay ;" drained ; under 

 spade-husbandry. Previous crop potatoes, 56 sacks (of 280 lbs. the 

 sack) per acre ; manured for the carrots with coal-ashes and night- 

 soil. Drilled with the hoe April 13, 1846 ; plants looked well, but 

 patchy; filled up with turnips. Collected in November.] 



Weighed prodLice'^2 tons in roots (besides the turnips). 



Per centage of water and ash : — 



Roo(:s 



Water. 

 85-0 



Ash. 

 0-96 



Asli calculated 

 on dry substance. 



6-4 



Mineral matter on an acre :— - 

 Roots 



473 lbs. 



Specimen No. 112.— White Belgian Carrot. 



From Mr. Arkell. 



[Soil, stonebrash ; subsoil, stone ; geological formation, great oolite. 

 After wheat ; only manure for carrots 4 bushels of ashes per acre. 

 Drilled at 12 inches in April; crop thin. Collected in November.] 



Estimated produce, in roots, 7 tons. 



„ in tops, 1 ton 1 8 cwt. 



Per centage of water and ash : — 



Roots 

 Tops 



W'ater. 

 85-0 

 75-0 



Ash. 

 0-77 

 5-32 



Ash calculated 

 on drv substance. 

 5- 12 

 21-30 



Mineral matter on an acre : — 

 Roots . . 

 Tops . 



121 lbs. 



226 



Analvsis of the ash of the root 



347 



In 100 parts 



Silica 0-76 



Phosphoric Acid .... 8-37 



Sulphuric Acid 6 '34 



Carbonic Acid lo*15 



Lime 9*76 



Magnesia 3-78 



Peroxide of Iron .... 0*74 



Potash 37-55 



Soda 12- G3 



Chloride of Sodium . . . 4-91 



Cliloiide of Potassium . . . none. 



Mineral matter removed 

 in an Acre of Crop. 

 0-9 



10- 1 

 7 - 7 



18-3 



11- S 



4- 6 

 0-9 



45-4 

 15-3 



5- 9 

 none. 



Total 



99-9fJ 



120-9 



VOL. Yllt. 



