300 301 302 303 



Prninds per hundred. 



Moisture at lOC^ C, 14.88 11.00 15.05 7.97 



Total phosphoric acid, 7.37 11.42 11.31 17.55 



Soluble ^^ '' 5.76 8.22 4.86 1.22 



Reverted " " .92 1.05 1.78 6.94 



Insoluble, " " .69 2.15 4.68 9.39 



Nitrogen, 3.53 3.05 2.28 3.04 



Potassium oxide, 7.32 3.41 1.66 2.48 



Insoluble matter, 1.93 4.75 



Valuation per 2000 pounds, $35.72 $34.13 $24.97 $35.37 



304. Lister Bros.' Ammouiated Bone Superphosphate. Collected 



of W. S. Westcott, Amherst, Mass. 



Guaranteed composition : moisture 10 to 14 per cent. ; 

 available phosphoric acid, 8 to 10 per cent. ; insoluble phos- 

 phoric acid, 2 to 3 per cent. ; potassium oxide, 1.5 to 2 per 

 cent. ; ammonia, 2 to 2.5 percent, (equivalent to nitrogen 

 1.6 to 2 per cent.). 



305. Crocker's Ammoniated Bone Superphosphate. Collected of 



Slate & De Wolf, Greenfield, Mass. 



Guaranteed composition : soluble phosphoric acid, 6 to 

 8 per cent. ; precipitated phosphoric acid, 2 to 4 per cent. ; 

 insoluble phosphoric acid, 1 to 2 per cent. ; bone phosphate, 

 18 to 26 per cent. ; ammonia, 3.5 to 4.5 per cent, (equivalent 

 to nitrogen 2.9 to 3.7 per cent.) ; potassium sulphate, 1 to 

 3 per cent. 



306. Mapes' Potato Fertilizer. Collected of W. H. Earle & Co., 



Worcester, Mass. 



Guaranteed composition: ammonia, (ready formed), sol- 

 uble nitrogen, etc., 4.5 to 5 per cent. ; soluble and available 

 phosphoric acid, 8 to 10 per cent. ; potassium oxide, (as 

 high grade sulphate and chloride of potash) , 6 to 8 per cent. 



307. Bowker's " Stockbridge's Manure" (potato). Collected of 



Wilder & Puffer, Springfield, Mass. 



Guaranteed composition : nitrogen, 3.25 to 4.25 per cent, 

 (equivalent to ammonia, 4 to 5 per cent.) ; soluble and re- 

 verted phosphoric acid, 7 to 8 per cent. ; total phosphoric 

 acid, 8 to 10 per cent. ; potassium oxide, 5 to 6 per cent. 



Valuation per 2,000 lbs., $28.58 $28.15 $39.14 $36.22 



