154 



Analyses of As lies of Plants. 



Per centage of water and ash 



Watpr Ash Ash calculated 



on dry substance. 



Bulbs . . 90-0 . . 0-42 . . . . 4*20 

 Tops . . . 85-0 .. , 1-59 . . 10-6 



Mineral matter of an acre : — 



Bulbs . . 141 lbs. 



Tops ... 22 



163 



Specimen No. 99.— White Stone Turnip. 



From Sir J. Johnstone, Bart. 



\_Soil, gritty limestone ; subsoil, limestone rubble; geological formation, 

 a limestone of the oolite ; undrained. Previous crop 3 quarters of 

 barley (the barley was manured with 5 loads farm-yard dung per 

 acre) ; turnips manured with 3 cwt. of guano and 20 bushels of ashes. 

 Drilled middle of June ; a fair even crop. Collected November 23rd, 

 1846.] 



Estimated produce, in bulbs, 1 1 tons. 



„ in tops, 2 tons 8 cwt. 



Per centage of water and ash :— - 



Water. 



Bulbs . . . 92-0 

 Tops . . . 90-0 



Mineral matter of an acre : 

 Bulbs 

 Tops 



273 



Ash. 



Ash calculated 

 on dry substance 



0- 80 . . 10-03 



1- 42 . . 14-20 



197 lbs. 



' 76 



Specimen No. 100. — Scotch Purple-top Bullocks. 



From Sir J. Johnstone, Bart. 



[^Soil, free, light, sandy ; subsoil, a red shale ; geological formation, the 

 " Kelloways rock undrained. Previous crop wheat (not worth 

 reaping, being choked with rubbish) ; turnips manured with 6 loads 

 farm-yard dung, 4 bushels of bones dissolved by sulphuric acid, and 

 20 bushels of ashes per acre. Drilled middle of June ; very fair even 

 crop. Collected November 23rd. 



Estimated produce, in bulbs, 13 tons. ■ : 



„ ,, in tops, 1 ton 12 cwt. 



Per centage of water and ash : — 



Water. 



Bulbs . . . 92-0 

 Tops . . . 87-0 



Ash calculated 

 on dry substance. 

 0-87 . . 10-90 

 2-08 . 1600 



