TRAXSACTIOXS. 28S 



Insoluble silicates, 80 8 



Peroxjde of iron, 2 2 



Alumina, 4 



Salts of lime, 4' 



Magnesia, (a trace) 



Phosphate of alumina, (a trace) 



Vegetable matter, 8 7 



Water, 3 9 



100 

 Five hundred grains of the soil were digested in boiling 

 water; 2-3 grains dissolved. The solution was of a yellow 

 color, and consisted of — « 



Yegetable matter, 2.0 



Mineral matter, 0*3 



2.3 



The residue from the solution before burning was acid ; 

 and after burning, alkaline. The acid was then a vegetable 

 acid. The following substances were taken up by the water, 

 viz : muriatic, sulphuric, carbonic, and phosphoric acids, 

 soda, lime, magnesia, silica, iron and manganese. 



The rotation of crops generally adopted by me for more 

 than thirty years, has been — 1st, potatoes j 2d, Indian corn ; 

 3d, wheat ; and then lay down to grass, and continue it for 

 mowing until " bound out" — say six or seven years. But 

 the last season I made a successful experiment the other 

 way, by planting corn the first year after '^ breaking up," 

 instead of potatoes. 



Early in the autumn of 1852, the ground was thoroughly 

 plowed, turning under the green sward, which was suflered 

 to remained undisturbed until the first of May last, when 

 about fifteen cart loads of fifty bushels each of well-rotted 

 barn-yard manure were applied broadcast to the acre, and 

 carefully harrowed in. On about the 25th of the same 

 month, twenty-two loads, of equal capacity, of green, un- 

 fcrmentcd stable and hog-yard manure, made during the 



