AGRICULTURAL EXPERIMENT STATION. 



33 



Brand. 



Allen's Fertilizer. 



Americus Ammoniated Bone 



Superphosphate • • 



Crocker's Ammoniated Bone 



Superphosphate 



Bay State Fertilizer 



Bay State Superphosphate 



B. D. Sea Fowl Guano 



Bowker's Hill and Drill 



Phosphate 



Bowker's Potato Phosphate 



Bradley's Eureka Seeding Down 

 Fertilizer 



Bradley Potato Manure 



Bradley's X L Superphosphate. . 



Cleveland Potato Phosphate 



Cleveland Superphosphate 



Common Sense Fertilizer No. 2. 

 Cotton Seed Meal and Ash of 



Hulls 



Cumberland Bone 



Superphosphate 



Cumberland Seeding Down 



Fertilizer 



Dirigo Fertilizer 



E. Frank Coe's Alkahne Bone. 



Coe's High Grade Ammoniated 



Superphosphate 



Farrar's Superphosphate 



Per Cent, of Ni- 

 trogen in Fertili- 



Solubility in 

 Pepsin Solu- 





zer. 



tion. 





is -a 



.2 



03 



o 



s 

 a 

 < 



w 



3i 



c 

 <u 

 bD 

 O . 



S 

 O 



I'' 



C 



9 



bJD 

 • 9 



o 



Organic Nitrogen 

 Soluble in Pepsin. 

 Per cent, in Fertili- 

 zer. 



Per cent, of Organic 

 Nitrogen Soluble in 

 Pepsin Solution. 



Per cent, of Total Ni 

 Soluble in Water an 

 sin Solution. 





.76 



1.41 



2.17 



.73 



51.8 



68.7 





.91 



1.80 



2.71 



1.27 



70.6 



80.4 







2.64 



2.64 



1-87 



70.8 



70.8 



.33 



.83 



1.69 



2.85 



1.28 



75.7 



85.6 





.25 



2.43 



2.68 



1.46 



60.0 



63.8 



.10 



.54 



1.78 



2.42 



.86 



48.3 



62.0 



.55 





2.49 



3.04 



1.94 



77.9 



81.1 



.54 



.15 



2.06 



2.75 



1.50 



72.8 



79.6 







1.89 



1.89 



1.21 



64.0 



64.0 



.31 





2.56 



2.87 



1.73 



67.6 



71.1 



.21 





2.38 



2 59 



1.76 



74.0 



76.1 



.80 





1.53 



2.33 



.58 



37.9 



59.2 



.<)4 



.16 



2.54 



3.34 



1.87 



73.6 



79.9 



.37 



.96 



.61 



1.94 



.13 



21.3 



75.2 







2.71 



2.71 



2.26 



83.4 



83.4 



.43 



.20 



1.75 



2.38 



1.34 



76.6 



82.8 



.34 



.40 



1.08 



1.82 



.77 



71.3 



83.0 







3.14 



3.14 



1.58 



50.3 



50.3 







.98 



.98 



.67 



68.4 



68.4 





.76 



1.58 



2.34 



1.14 



72.8 



81.2 



.31 





2.19 



2.50 



l.Gl 



73.5 



76.8 



