248 



BOARD OF AGRICULTURE. 



Every 1,000 parts of surface soil retained 688 parts ; of sub- 

 soil, 484 parts of water. 



Of the water which the specimens had imbibed, in four hours 

 the surface soil lost by evaporation 17.8; the subsoil 30.6 per 

 cent. 



I. The Large Farm, 145a. 3r. 37p., is divided into four 

 sections, on each of which a distinct course of farming is pur- 

 sued, as follows : — 



Yards and Offices, Paddock, &c., occupy the remainder. 



The order of succession of the crops in the three course 

 rotation is : — 



1st year, Green crops, manured. 



2d year, Grain, with Italian rye-grass, and clover. 



3d year, Grass, for so.iling and hay. 



In the fourth course, usually called the " Norfolk Shift," the 

 crops succeed in this order : — 



1st year, Green crops, manured. 



2d year, Grain, with grass seeds, generally Italian rye-grass. 



3d year. Grass, for house-feeding cattle, and hay. 



4th year, Oats. 



The five course on this farm differs from the last in keeping 

 the grass field unbroken a second year. The crops, therefore, 

 succeed in this order : — 



1st year, Green crops, manured. 



2d year, Grain, with grass seeds. 



3d year,. Grass. . * 



4th year, Grass. 



6th year, Oats. 



The balance-sheet has been satisfactory, showing a credit of 

 from two hundred to three hundred pounds a year in favor of 

 the pupils' labor. 



