I665-I668. I. 



II. 

 111. 



IV. 



Received from South wick, Mass. 

 Received from Leominster, Mass. 

 Received from North Egremont, Mass. 

 Received from (ireat l-Jarrington, Mass. 



PER CENT. 



1. 



Moisture at ioo°C., 10.25 



Total phosphoric acid, 10.10 



Soluble phosphoric acid, 2.94 



Reverted phosphoric acid, 3.84 



Insoluble phosphoric acid, 3.32 



Potassium oxide. 3.78 



Nitrogen, 2.93 



II. 

 10.90 



7-54 

 4.60 

 2.04 

 .90 

 6.52 

 4-47 



111. 

 7-36 

 8.76 



1-45 



3-49 



3.82 



5.81 

 I.I I 



1669-1672. I and II. 

 HI and IV. 



Moisture at loo^'C., 

 Total phosphoric acid, 

 Soluble phosphoric acid, 

 Reverted phosphoric acid. 



Received from Holyoke, Mass. 

 Received from Northampton, Mass. 



PER CENT. 



I. II. III. 



8.67 8.40 5.66 



10.50 7.68 10.88 



7.24 6.86 2.95 



2.24 .82 4.83 



none 3- 10 



8. 58 8.1S 



5-79 



;.2i 



IV. 



11-93 

 10.82 

 6.40 

 2.86 

 1.56 

 1.72 

 •99 



IV. 



7-65 

 15-36 

 8.50 

 4.48 

 2.38 

 4.40 

 2-33 



Insoluble phosphoric acid, 1.02 

 Potassium oxide, 4.08 



Nitrogen, 1.96 



In the above analyses of compound fertilizers the samples have been forwarded by 

 private parties instead of being drawn by a duly authorized agent from the Station. For 

 tiiis reason the manufacturer's name, etc., have not been published. 



SOILS. 



1673-1677. 1, II and III. Received from Upton, Mass. 

 lY. Received from Belmont, Mass. 

 V. Received from Boston, Mass. 



