AGRICULTURAL COLLEGE. 445 



EXPEEIME:^rTS 



Carried on at the Massachusetts Agricultural College 



SINCE 1870. 



The growing of sugar-beets, the manufacture of sugar 

 from them, and trials of their value for cattle foods. This 

 industry is soon to grow up in our midst, and to absorb 

 large amounts of capital. 



The sources of supply, and the quantity and quality of 

 our manurial agents. These careful scientific investiga- 

 tions have been the prime means of revolutionizing the man- 

 ufacture and trade in fertilizers, not only in this State, but 

 throughout the country. 



Laboratory and physical examinations of the South Caro- 

 lina phosphates, and trials of their agricultural value in the 

 raw state, and after treatment with acids. 



On the use and eifect of common salt on grain and root 

 crops. 



The chemical and physical condition of the salt marshes 

 of the State, and the devising of methods by which they can 

 be made available for agricultural purposes. 



Experiments with compound commercial fertilizers, to test 

 their comparative agricultural value, and their value as com- 

 pared with single elements. 



To determine what elements will make practically a com- 

 plete manure, on our average soils. 



Investigations of the quality and composition of commer- 

 cial fertilizers offered for sale, and the protection of the 

 community by legal control and inspection from frauds in 

 them. 



Observations and study of the phenomena of plant-life. 



