Anahjses of Ashes of Plants. 



145 



Analysis of the ash of the bulb .— 



In iOO pavts. 



Silica I'TA 



Phosphoiic Acid 10-17 



Sulphuric Acid 15*53 



Carbonic Acid 11*96 



Lime 14-33 



Magnesia 3 -27 



Peroxide of Iron 0-61 



Potash 26-88 



Soda. . 13-31 



Cliloride of Sodium .... 2-19 



Chloride of Potassium . . . none. 



Total 99-93 



Analysis of the ash of the top : — 



In 10') parts. 



Silica 1-14 



Phosphoric Acid 6-21 



Sulphuric Acid 12-20 



Carbonic Acid 12 97 



Lime 30-38 



Magnesia 3-18 



Peroxide of Iron ..... 0-66 



Potash 20 -7 9 



Soda none. 



Chi Mide of Sodium . . . . 10-31 

 Chloride of Potassium . . . 2*09 



Total . 99-93 



neral matter reinovfd 

 in an Acre of Crop. 



4- 7 

 27-5 

 42-1 

 32-4 

 38-9 



8-9 



1-6 

 72-8 

 36-1 



5- 9 

 none. 



270-9 



Mineral matter removed 

 in an Acre of Crop. 



1*3 

 7-1 



13- 9 



14- 8 

 34-6 



3-6 

 0-7 

 23*7 



2-4 



113.9 



Specimen No. 84. — Dale's Hybrid. 

 From the Hev. A. Hiixtahle. 



[Soil, subsoil, geological formation, &c., same as Specimen No. 83. Crop 

 in the previous year wheat ; this is a stubble crop grown after early 

 peas this year. Manured with unfermented cowdung and ashes, and 

 1 cwt. of bones and 56 lbs. of sulphuric acid per acre. Drilled early 

 in August. Crop very thick, the roots nearly touching each other on 

 all sides. Collected middle of November.] 



Estimated produce in bulbs, 20 tons. 

 }) „ in tops,* 10 tons. 



Per centage of water and ash : 



Water. 



Bulbs . . . 88-0 

 Tops . . . 89-0 



. , Ash calculated 



^ on dry substance. 



1-01 . . 8 41 



1-19 . . 10-80 



* This would seem a very large proportion of top to bulb, but the ])roportlon, as 

 ascertained by us, was as 67 bulb (o 33 top. See page 168. 



VOL. YHI. L 



