CONTENTS 



Page. 



Officers of the Station, _. 2 



Announcement, 3 



Contents, 4 



Report of the Board of Control, 7 



Report of the Treasurer, 8 



Report of the Director, ... 9 



Summary of Station Work, 9 



Station Bulletins, . 9 



Present Resources of the Station, 10 



Wants of the Station, 10 



Experimental Ground, 11 



Plant House, 12 



Seed Laboratory, 12 



Laboratory, 12 



Increase of Funds. 13 



To Enlarge its Outfit, 13 



To establish a Working Reference Library, 13 



For Current Expenses, 13 



The need of Scientific Investigations in Agriculture, 13 



Fertilizers, 17 



Summary of Analyses made, . 17 



Instructions for Sampling, _ 18 



Form for Description, 20 



Explanations of Analysis and Valuation, ... _ 22 



Nitrogen, Organic, 22 



Ammonia, 22 



Nitric Acid, 22 



Phosphoric Acid, Soluble, , 22 



" " Reverted, 22 



" " Insoluble, 22 



Potash, 23 



Valuation Defined, 23 



Average Trade Values for 1881, 23 



Estimating the Value of a Fertilizer, 24 



Uses of Valuation, 24 



Agricultural Value of a Fertilizer, 24 



Analyses and Valuations of Fertilizers, 25 



Classification of Fertilizers Analyzed, 25 



Sui)erphosphates, Plain (non-nitrogenous),.. 26 



