36 EXrERlMEXT STATION. [Jan. 



5 from the tobacco bed which furnished the plants for setting 

 the field. Exact quantitative determinations of nitrogen, pot- 

 ash, phosphoric acid and lime were made, using 1.115 specific 

 gravity hydrochloric acid as a solvent. For the sake of com- 

 parison the results have been calculated to a normal moisture 

 soil condition, namely, 20 per cent. The results have also 

 been expressed in pounds per acre, it being assumed that an 

 acre of the average tobacco soil 1 foot deep would weigh about 

 3,000,000 pounds. 



