358 



BOARD OF AGRICULTURE. 



Bowker's Ammoniated Food of Flowers. 

 (Collected of Massacbusetts Agricultural College.) 



Moisture 



Organic and volatile matter 

 Ash constituents . 

 Total phosphoric acid 

 Soluble j)hosphoric acid . 

 Reverted phosphoric acid 

 Insoluble phosphoric acid 

 Nitrogen 

 Potassium oxide 

 Insoluble matter . 



Valuation per ton of two thousand pounds 



161.2 pounds of soluble phosphoric acid 

 44.8 pounds of reverted phosphoric acid 

 32 pounds of insoluble phosphoric acid 

 80.4 pounds of nitrogen 

 56 pounds of potassium oxide . 



Bradley'' s XL Superphosphate 

 (Collected of Messrs. Sheldon 8s Newcomb, Greenfield, Mass.) 



Moisture .... 

 Organic and volatile matter 

 Ash constituents 

 Total phosphoric acid 

 Soluble phosphoric acid . 

 Kevei'ted phosphoric acid 

 Insoluble phosphoric acid 

 Nitrogen 

 Potassium oxide 

 Insoluble matter 



Valuation per ton of two thousand pounds : — 



173.2 pounds of soluble phosphoric acid . 

 22.2 pounds of reverted phosphoric acid 

 14.6 pounds of insoluble phosphoric acid 

 71 2 pounds of nitrogen 

 26 pounds of potassium oxide . 



Bradleifs Original Coe Superphosphate. 

 (Collected of Messrs. Horton & Phelps, Northampton, Mass.) 



Per cent. 



10.42 



52.06 



47.94 



11.90 



8.06 



2.24 



1.60 



4.02 



2.80 



.48 



20 15 

 4 03 



1 92 

 19 30 



2 80 



$42 9:; 



Per cent. 



Moisture 15.30 



Organic and volatile matter 56 38 



