CONTENTS. 



Page 



OfiBcers of the Station, 2 



Announcement, -- - 3 



Table of Contents, - 4 



Report of the Board of Control, - '7 



Report of Treasurer, -- -- 8 



Report of the Director, - - 9 



Summary of Station Work, - 9 



Station Bulletins, - 10 



Fertilizer Law, Explanations, 10 



Text of the Law, 11 



Form of Manufacturer's Statement, 13 



Form of Dealer's Report to the Station, 14 



Fertilizers, - - - 15 



Instructions for Sampling, 16 



Form for Description of Sample, j — 18 



Explanations of Fertilizer- Analysis and Valuation, _ 20 



Nitrogen, Organic, _ - 20 



Ammonia, -. 20 



Nitric Acid, 20 



Phosphoric Acid, Soluble, — 20 



" " Reverted, 20 



" " Insoluble, - 20 



Potash, - - 21 



Valuation Defined, - 21 



Average Trade Values for 1881 and 1882, 21 



Estimating the Trade Value of a Fertilizer, 22 



Uses of Valuation, — •- 22 



Agricultural Value of Fertilizer, _. 22 



Analyses and Valuations of Fertilizers, 24 



Classification of Fertilizers Analyzed, 24 



Native Phosphates, - 24 



Superphosphates, Plain (Non-Nitrogenous), 25 



" Ammoniated (Nitrogenous) and Guanos, .. 27 

 Tables of Analyses and Valuations, 28-31 

 Comparison of different Superphos- 

 phates of the same Brand, 33 



