compilattolnr of analyses of agricultural 

 Chemicals, Refuse Salts, Ashes, Llme Com- 

 pounds, Refuse Substances, Guanos, Phos- 

 phates AND Animal Excrements. 



H. D. IIASKINS. 



1. Chemicals, refuse salts, etc. 



2. Ashes, marls, lime compounds, etc. 



3. Refuse substances. 



4. Guanos, phosphates, etc. 



5. Animal excrement, etc. 



6. Average per cents, of the different ingredients found in tlie 



preceding compilation of analyses, calculated to pounds 

 per ton of 2,000 pounds. 



1868 to 1905. 



This compilation does not include the analyses made of 

 licensed fertilizers. They are to be found in the dillercnt 

 bulletins and annual reports of the State inspector of ferti- 

 lizers from 1873 to 18115, which are contained in the re- 

 ports of the secretary of the Massachusetts State Board of 

 Agriculture for these years, and in the bulletins of the di- 

 vision of chemistry of the Hatch Experiment Station of tlie 

 Massachusetts Ag-ricultural College since March, 1895. 



No valuation is stated in this compilation, as the basis of 

 valuation changes from year to year. 



In the following compilation of analyses of agricultural 

 chemicals, refuse materials, manurial substances, etc., the 

 signification of the star (*) prefixed to the name of the 

 substance is that the compilation is made np of analyses 

 subsequent to the year 1897. It was believed that a com- 

 pilation made up of more recent analyses would more nearly 



