148 



Analyses of Ashes of Plants. 



Analysis of_the ash of the bulb 





In 1 f\C\ "r\n rf 2 

 111 1 Ucli L5« 



Silica 



0-93 



Phosphoric Acid . 



. 7-G5 



bulpllUllC ACKl . . • 



• 12*86 



Carbonic Acid , . . 



. 14- 32 





. 6-73 





. 2-26 



Peroxide of Iron . • . 



. 0-66 



Potash 



. 48*56 



ooua •••••• 



• none* 



1 .itiAvii'lp r»f ftnMiiim 



V.-'li Ivil 1 Lie III kJUIlIllIli • • 



5 • 1 4 



Chloridfi oi Potassium • 



• none. 





yy v-t 



of the ash of the top : — 







In 100 parts. 



Silica 



. 2-05 



Phosphoric Acid . 



. 3-15 



Sulphuric Acid . , 



. 7*83 



Carbonic Acid . , . 



. 14-64 







Magnesia 



. 2-85 



Peroxide of Iron , . . 



. 0-80 





. 12-68 



Soda 



. none. 



Chloride of Sodium 



. 10 -67 



Chloride of Potassium 



. 16-56 



Mineral matter removed 

 in an Acre of Crop. 



2*6 



5 

 •5 

 ■7 

 ■0 

 1 

 8 



20- 

 34' 

 39- 

 II 



6- 



1 



130*0 

 none. 

 14-6 

 none. 



267-9 



Mineral matter removed 

 in an Acre of Crop. 

 10'2 

 15-7 

 39-2 

 73*2 

 143-7 

 14-2 

 4 0 

 63-4 

 none. 

 53-4 

 82*8 



'Total 



99-96 



499 -f 



Specimen No. 87. — White Globe Turnip. 



Prom Mi: Guppy.* 



[Soilj sandy loam ; subsoil, gravel ; naturally dry ; old tillage. Previous 

 crop 30 bushels of wheat; turnips manured with 15 cart-loads of 

 farm-yard manure, as compost. Drilled with a mixture of soot, 

 night-soil, and ashes, July 20, 1846. Collected 27th of November, 

 very luxuriant crop.] 



Estimated produce, bulbs, 35 tons. 



„ „ tops, 6 tons 14 cvvt. 

 Per centage of water and ash : — 



Water. Ash. calculated 



on dry substance. 



Bulbs . . . 87*0 . 1-13 . . 8*70 



Tops . . . 87*0 . . 2*34 . . 18*00 



Mineral matter on an acre : — 



Bulbs 886 lbs. 



Tops 351 



1237 



* Grown by Mr. Read of Silvertou. 



