478 BOARD OF AGRICULTURE. 



of hay. After the seed there was some difficulty in finding a 

 square foot containing the same number of large clover roots as 

 that on the part of the field twice mown ; however, at last, in the 

 beginning of November, a square foot containing exactly 18 strong 

 roots was found and dug up to a depth of 18 inches. The soil 

 dug after the seed was much drier than that dug after the two 

 cuttings of hay : 



lbs. 



The upper, 6 inches deep 1 foot square, weighed 56 



The next " " " " 58 " 



The third " " " " 60 



After drying by exposure to hot air, the three layers of soil 

 weighed : 



^ lbs. 



The upper, 6 inches 1 foot square 49| 



The next " " " 50| 



The 3d " " " ol^ 



Equal portions of the dried soil from each six-inch section were 

 mixed together and reduced to a fine powder. An average sam- 

 ple thus prepared on analysis was found to have the following 

 composition : 



Composilion of Clover Soil once moion for Hay, and afterwards 



left for Seed. 



Soluble in Hydrochloric Acid. Dried at 212^ Fahr. 



Organic matter 5.34 



Oxides of iron 6.07 



Alumina 4.51 



Carbonate of lime 7.51 



Magnesia 1-27 



Potash 52 



Soda 16 



Chloride of sodium 03 



Phosphoric acid 15 



Sulphuric acid 19 



Insoluble in Acid. 



Insoluble siliceous matter 73.84 



Consisting of : — Alumina 4: 14 



Limo (in a state of silicate) 2.69 



Magnesia 68 



Potash 24 



Soda 21 



Silica 65.88 



99.59 



This soil, it will be seen, in general character resembles the 

 preceding sample ; it contains a good deal of potash and phos- 



