Analyses of Ashes of Plants. 



153 



Per centage of water and ash : — 



. . , Ash calculated 



Water. Ash. ^^^^ substance. 



Bulbs ... 92-0 . . 0«65 . . 8-12 

 Tops . . . 87-0 . . 1'93 . . 14-80 



Mineral matter of an acre : — 



Bulbs 219 lbs. 



Tops 115 



334 



Specimen No. 97. — Purple-top Swedes. 



From Sir J, Johnstone, Bart* 



[Soil, a free gravelly loam ; subsoil, partly clay and partly gravel ; geo- 

 logical formation, one of the sandstone beds of the coal-grit series ; 

 undrained. Previous crop 4 quarters of wheat ; manured for the 

 swedes with 8 loads of g;ood rotten farm-yard manure and \^ load of 

 ashes. Drilled on the level about the middle of May, 1846; good 

 even crop. Collected November 21st.] 



Estimated produce, in bulbs, 15 tons.t 

 „ „ in tops, 19 cwts. 



Per centage of water and ash : — • 



, . , ' Ash calculate 



^^ter. Ash. Oil dry substance. 



Bulbs ... 90-0 . . 0-82 . . 8-20 

 Tops •. . . 82-0 . . 1-95 . . 10-80 



Mineral matter of an acre : — 



Bulbs ...... 2 7G lbs. 



Tops 41 



317 



Specimen No. 98. — Swedes (variety not known). 



From Sir J. Johnstone, Bart. 



[Soil, subsoil, &c., identical with Specimen No. 97. Manured with 11 

 loads farm-yard manure per acre, 1 cwt. of guano, and H load of 

 ashes. Drilled on ridges the first week in May, 1846 ; good even crop. 

 Collected November 21st.] 



Estimated produce, in bulbs, 15 tons. 



in tops, 12i cwt. 



* Grown by Mr. Thomas Needham, Borget Farm, Har wood- dale, North Ridhig of 

 Yorkshire. 



f It is highly probable that this crop is underrated by our method of calculation, as 

 the land is said to be some of tlie best in the neighbourhood, and well adapted (it would 

 seem) for the turnip culture. 



