A CHEMICAL STUDY OF THE ASPARAGUS PLANT. 285 



Organic Composition of Roots — Concluded. 

 Roots of 1910 — Concluded. 



Effects of Fertilizers on Asparagus Stalks. 



An attempt was made to determine the effect of fertilizers on the com- 

 position of the young stalks, and on that of the tops in midsummer and 

 late fall. 



On May 13, 1910, the day's crop from each of four plots in the Concord 

 field was shipped by Mr. Prescott to the laboratory at Amherst. The 

 four samples represented three plots dressed with the maximum amount 

 of nitrogen and one plot which received no nitrogen. The analyses were 

 limited to determinations of dry matter, ash and total nitrogen, and the 

 results were as follows : — 



