Analyses of Ashes of Plants. 



159 



Analysis 









n 100 parts. 



iViiii6rcXi iTdRttGr rcniov 





in an. Acre of Crop. 



Silica 



2*26 



3.4 



"PiTncnnnn^^ A Pin 



5*19 



7*8 



.Qnl 1 n Ti 1^ A PI f 1 



0U1U11L4.I10 , « » 



4. 60 



6-9 



Carbonic Acid . 



'. 6-45 



\ 9-7 



Lime 



8-17 



12-3 



Magnesia .... 



7-03 



10-5 



Peroxide of Iron . 



0-96 



1-4 



Potash . . . 



. 27-90 



. . 41-9 



Soda . . . 



3-01 



4-5 



Chloride of Sodium . 



34-39 



. . 51-6 



Chloride of Potassium 



none. 



. . none. 





99-96 = 



150-0 



•ed 



Specimen No. 108. — Long Ked Mangold-VVurzel. 



Frotn the Rev. A, Huxtahle. 



[Soil, dark mould; subsoil, yellow clay; geological formatioji, clay 

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

 crop of wheat; manured for the mangold with unfermented dung 

 (without straw) worked up with ashes, and 1 cwt. of bones in ^ cwt. 

 sulphuric acid. Sown first week in May ; very fine crop. Collected 

 in November.] 



Produce, in roots, 22 tons. 



„ in tops, 5 tons 10 cwt.* 



Per centage of water and ash : — 



Water. Ash. 

 Roots . . . 90-0 1-00 . 



Tops . . . 90-1 . . 1-91 



Mineral matter of an acre :— . . 



Roots 493 lbs. 



Tops 235 



Ash calculated 

 on dry substance. 



. lb -00 



19-10 



728 



Analysis of the ash of the root :- 



In 100 parts. 



Silica 4-11 



Phosphoric Acid 3-11 



Sulphuric Acid 3-31 



Carbonic Acid 21-61 



Lime . . . . . 



Magnesia .... 

 Peroxide of Iron . . 



Potash 



Soda ....... 



Chloride of Sodium . 

 Chloride of Potassium 



2-17 

 2-79 

 0-56 

 29-05 

 19-05 

 14-18 

 none. 



Mineral matter removed 

 in an Acre of Crop. 



20 

 15 

 16 



106 

 10 

 13 

 2' 



143 

 93 

 69 



Total 99-94 



492-7 



* About six tons — Mr. Huxtable. 



