12 



Moisture at 100'^ C, 

 Total phosphoric acid, 

 Soluble "• " 



Reverted " " 



Insoluble " " 



Potassium oxide, 

 Nitrogen, 

 Insoluble matter, 



340 



10.63 

 12.54 

 6.32 

 2.13 

 4.09 

 3.20 

 2.05 

 6.50 



341 342 



Pounds per SundredL 



11.13 

 10.83 

 2.62 

 3.08 

 5.13 

 3.98 

 3.27 

 8.60 



14.03 

 12.03 

 6.90 

 1.83 

 3.30 

 2.04 

 2.17 

 5.40 



343 



14.45 

 10.09 

 5.06 

 0.96 

 4.07 

 4.90 

 3.09 

 4.75 



Valuation per 2,000 lbs. : $30.08 $28.90 $27.53 $32.13 



344. Prepared Phosphate of Lime ; United States and Canada 



Cooperative Fertilizer Co., Boston. Collected of J. N. 

 Brown, North Brookfield, Mass. 

 No guarantee obtained. 



345. Darling's Animal Fertilizer; collected of W. S. Westcott, 



Amherst, Mass. 



Guaranteed composition : Ammonia, 4 to 8 per cent, 

 (equivalent to nitrogen, 3.3 to 6.6 per cent.) ; phosphoric 

 acid, 10 to 12 per cent. ; potassium oxide, 4 to 6 per cent. 



346. Bowker's Fish and Potash; collected of W. S. Westcott, 



Amherst, Mass. 



Guaranteed composition : Nitrogen, 2.5 to 3.25 per cent, 

 (equivalent to ammonia, 3 to 4 percent.) ; phosphoric acid, 

 3 to 4 per cent. ; bone phosphate, 18 to 22 per cent. ; pot- 

 assium oxide, 4 to 6 per cent. 



347. Fertilizing material sent on for examination by Farmers' Club, 



Lanesboro, Mass. 



No guarantee obtained. 



344 345 346 347 



Pounds per Hundred, 



Valuation per 2000 pounds, 



$28.72 $26.33 $27.40 $31.06 



C. A. GOESSMANN, Director, 



Amherst, Mass. 



The Bulletin and I. and II. Annual Reports of the Experiment 

 Station will he sent., free of charge, to all parties interested in its 

 loork, on application. Address State Agricultural Experiment Station, 

 Amherst, Mass. 



