The Bulletin 



55 



Fig. III. Corn shocked on the plats of the Gastonia Field, ready to husk. 



Fig. 



IV. Wheat on Plats 6 (NP) and 7 (NK) at the Gastonia Field in 1911. Note the 

 marked difference in height of wheat resulting from a substitution of phosphoric acid 

 for potash in the fertilizer application. 



