178 AGRICULTURAL EXPERIMENT STATION. [Jan. 



2. Field Experiments with Prominent Varieties or 

 Grasses, raised either Single or in Mixture, 

 UNDER Otherwise Corresponding Conditions, 

 to ascertain their Economical Value as far 

 AS Yield and Co3iposition are concerned (1892). 



FieW B. 



This field occupies an area of one and seven-tenths acres, 

 and runs from north to south, nearly on a level. The soil 

 consists of a somewhat sandy loam of several feet in depth. 

 The systematic treatment of the area was inaugurated in 

 1884, when the present sul)division into eleven plats was 

 first introduced. The plats are 175 feet long and oo feet 

 wide (5,775 square feet, or two-fifteenths of an acre), of a 

 uniform shape, running fi-oni east to Avest, with a space of 

 five feet between adjoining plats. The numbering begins at 

 the north end Avitli 11, and closes at the south end with 21. 

 From 1884 to 1889 every alternate plat received annually 

 the same kind and the same amount of fertilizer, — 600 

 pounds of fine-ground bone and 200 pounds of uuiriate of 

 potash per acre. The space of five feet left between the 

 diflerent succeeding plats has l)een kept clean from any 

 growth by a constant use of the cultivator, and received at 

 no time any kind of manure. 



The details of the work carried on upon Field B have 

 been thus far reported from year to year in our annual 

 reports. The chemical analyses of the crops raised upon 

 this field, on account of the amount (jf work involved, have 

 been quite frequently published in later bulletins or in 

 annual reports of the succeeding year. 



A material change in the above-stated management of the 

 field was made in 18S!), with reference to the ])reviously 

 unmanured plats, 12, 14, 1(5, 18 and 20; they were subse- 

 quently annually manurectin exactly the same manner as the 

 remaining i)lats, receiving per acre GOO pounds of fine- 

 ground bone and 200 pounds of muriate of potash. The 

 character of the crops raised upon the various plats from 

 1888 to 1892 may be seen from the following tabular state- 

 ment : — 



