520 VARIOUS FERTILITY FACTORS 



"YORK STATE SPECIAL 

 " Guaranteed Analysis 



PER CENT 



Nitrogen 82 to 1.65 



Ammonia T to 2 



Available phosphoric acid 8 to 10 



Total phosphoric acid 10 to 12 



Potash, actual K 2 O 4 to 5 



"A high-grade complete fertilizer especially prepared for general farm and 

 garden purposes. A good sugar-beet fertilizer. Can be used under fruits, 

 tobacco, grain, truck, and all agricultural products." 



"WHEAT, CORN, AND OAT SPECIAL * 



"Guaranteed Analysis 



PER CENT 



Nitrogen 82 to 1.65 



Ammonia i to 2 



Total phosphoric acid 9 to n 



Available phosphoric acid 7 to 9 



Potash, actual KzO i to 2 



" For wheat and cereals generally. Apply from 200 to 400 pounds per acre." 

 "EAGLE WHEAT AND CORN GROWER 2 



PER CENT 



Ammonia 2 to 3 



Potash, actual 2 to 3 



Available phosphoric acid 8 to 10 



Total phosphoric acid 10 to 12 



"This goods meets the wants for a high-grade fertilizer for all grain crops, 

 and is especially recommended for grass and clover, on account of the bone 

 tankage used to make up the formula. Take no substitute for this well-known 

 brand, but insist on GLOBE EAGLE." 



The above quotations are from various fertilizer companies in 

 different parts of the United States. The guaranteed analyses 

 are almost invariably correct, but, of course, the guarantee applies 

 only to the minimum percentage specified. The statement of 

 composition is sometimes so complicated that it requires a chemist 

 to understand it. For example, the author has received a com- 



1 Sold locally for $22 and at $22.50 per ton, at different points. C. G. H. 



2 Sold locally for $25 per ton. C. G. H. 



