20 



The Bulletin. 



niire salt and 100 pounds of nitrate of soda per acre, all placed in the 

 drill just before planting, was second most profitable at this farm, 

 witli an increment of gain over cost of fertilizer of $32.83. Two 

 Inindrcd pounds of acid phosphate, 50 pounds of manure salt and 

 150 pounds of nitrate of soda, 100 pounds of the nitrate being ap- 

 plied with other materials on April 27, just before planting, and the 

 remaining 50 pounds used as a side-dressing and applied about June 

 20, gave a clear profit of $29.93 ; while the same application of acid 

 phosphate and manure salt with 50 pounds of nitrate at planting, 

 followed by a side-dressing of 50 pounds of nitrate during the latter 



Fig. 4 — Cotton grown at Iredell Farm and fertilized with 200 pounds of Acid Phosphate, 50 pounds 



of Manure Salt and 75 pounds of Dried Blood. 



part of June, produced a clear gain of $29.04. Applications of 500 

 and 300 pounds of Peruvian guano gave profits of $27.10 and $27.20 

 respectively in excess of cost of guano. 



Results of 1906. — The most favorable application, as seen by 

 Table VI, during this year at the Edgecombe farm was one produc- 

 ing a profit of $25.00 and consisting of 200 pounds of acid phosphate, 

 50 pounds of manure salt and 75 pounds of dried blood per acre. 

 The next most profitable was the plat fertilized just-before planting 

 with 300 pounds of Peruvian guano and 25 pounds of nitrate of 

 soda. Applications of 300 and 500 pounds per acre at this farm this 

 year yielded profits of $20.40 nud $18.07 respectively in excess of 



