18 



three elements. The other companies who have registered cotton- 

 seed meal as fertilizer have simply guaranteed nitrogen. 



The following brands show a commercial shortage: 



F. W. Erode tff Co., Owl Brand Cottonseed Meal, Nos. 23, 24, 

 42 and 1334, showed an average nitrogen test of 6.25%, 6.56% be- 

 ing guaranteed. Four other samlpes of this brand were found well 

 up to the guarantee. 



Buckeye Cotton Oil Co., Buckeye Prime Cottonseed Meal, Nos. 

 879 and 1319. Average nitrogen found 5.94%, guaranteed 6.18%. 

 In six other samples the nitrogen guarantee was well maintained. 



Humphreys-Godwin Co., Dixie Brand Cottonseed Meal, Nos. 

 3, 4, 5, 255, 349, and 1264. Average nitrogen found 5.67%, guaran- 

 teed 6.56%. Seven other samples did not show dificiencies. 



Topsy Brand Cottonseed Meal, Nos. 432, 655 and 656. Aver- 

 age nitrogen found 5.46%, guaranteed 6.50%. 



C. L. Montgomery y Co., Canary Brand Cottonseed Meal, 

 No. 19. Nitrogen found 5.58%, guaranteed 6.18%. One other 

 sample showed a nitrogen test above the minimum guarantee. 



/. E. Soper ^ Co., Pilgrim Brand Cottonseed Meal, Nos. 2, 

 1329 and 1331. Nitrogen found 5.93%, guaranteed 6.16%. In 

 one other sample of this brand the nitrogen was well maintained. 



Pioneer Brand Cottonseed Meal, No. 1016. Nitrogen found 

 5.61%, guaranteed 6.50%. No. 1337, Nitrogen found 5.66%, guar- 

 anteed 5.76%. 



Union Seed i^ Fertilizer Co., American Red Tag Cottonseed 

 Meal, No. 40. Nitrogen found 5.79%, guaranteed 6.17%. Thirty- 

 seven other carloads showed no commercial shortage. 



Nitrate of Soda. Twenty-five samples have been examined, 

 necessitating thirteen analyses. No deficiencies were found. The 

 average nitrogen content of this product has been 15.64 per cent. 

 The average cost of nitrate of soda has been $72.52, making the pound 

 of nitrogen cost 23.15 cents. 



Sulfate of Ammonia. Two samples have been analyzed, and no 

 deficiencies found. The average nitrogen test found was 20.79 per 

 cent. The average ton cost has been $92.50, making the pound 

 of nitrogen cost 22.24 cents. 



Potash Compounds. No potash salts or compounds were regis- 

 tered in Massachusetts during the season, and no samples were col- 

 lected. The greater part of the potash supply of the country, which 

 was not used in the chemical manufacturing industry, was appar- 

 ently bought by the fertilizer manufacturers for their complete 

 fertilizer mixtures, and about the only source of potash available, 

 outside of the mixed fertilizers, was contained in wood ashes, of which 

 a comparatively large tonnage was sold. - 



