430 



Bulletin 267. 



average December farm price of corn in New York for the years 1904 to 

 1908 inclusive (1.3c. per lb.), calculated on a basis of 90% dry matter, 

 gave the value of the increase. 



The fertilizer ingredients were given the following values: dried 

 blood, 2.8c. per lb.; nitrate of soda, 2.8c. per lb.; acid phosphate, .7c. 

 per lb.; muriate of potash 2.2c. per lb.; lime, .4c. per lb. The values 

 of the nitrate of soda, acid phosphate and muriate of potash were based 

 on the schedule of trade values for 1907 adopted by the experiment 

 stations of Vermont, Massachusetts, Rhode Island, Connecticut, New 

 York and New Jersey. In computing these values the average of all 

 analyses of each of these ingredients as determined by the New York 

 Agricultural Experiment Station in 1907^ was taken as the percentage 

 of plant food constituents in each case. Since a high grade of dried 

 blood was used it was given the same value as nitrate of soda, as that 

 grade sells for practically the same price on the market. The lime was 

 valued at the average selling price of the grade used. 



It should be borne in mind that the net gain or loss is merely the 

 difference between the value of the increased yield and the cost of the 

 fertilizer used and does not take into consideration the increased cost 

 of harvesting the larger crop, the cost of applying the fertilizer or the 

 difference in the per cent of income from the investment where the larger 

 amounts of fertilizer were used. 



TABLE VIII 



Showing Apparent Increase, Value of Increase, Cost of Fertilizer and 



Net Gain or Loss Per Acre 



Plat 

 No. 



1442 



1443 

 1444 



1445 

 1446 



Treatinent 



Nothing 



120 lbs. Dried blood. 



60 lbs. Dried blood. . . . 

 60 lbs. Nitrate of soda. 



Nothing 



60 lbs. Dried blood 



60 lbs. Nitrate of soda*. 



* Bulletin 294. 



* Applied after thinning. 



Appar- 

 ent 

 increase 

 per acre, 

 tons 



1-39 



1-34 



1.36 



Value of 

 increase 

 per acre 



$3.86 

 372 



3-77 



Cost 

 of 

 fer- 

 tilizer 

 per acre 



$3.36 

 3 36 



3 36 



Net 



gain 



or loss 



(— ) 

 per acre 



$. 50 

 ■36 



.41 



