COMPOUND FERTILIZERS, 



1577-1580. I and II. Received from North Beverly, Mass. 

 III. Received from Montague, Mass. 

 l\. Received from Sunderland, Mass. 



MUCK. 

 1581-1586. I and II. Received from Sharon. Mass. 



III. Salt marsh mud, received from Boston. Mass. 



IV, V and VI. Salt marsh mud, received from Woods 

 * Hole, Mass. 



PER CENT. 



1. II. in. IV. V. VI. 



Moisture at ioo°C.. 41.16 39.27 82.64 57.53 



Organic and vol. matter, 65.10 98.00 89.60 68.57 



Ash, 34-9° 2.00 10.40 31.43 



Nitrogen, .60 1.35 .27 .26 



Chlorine, — — .83 4.17 



1587. Plaster (so-called), received from Springfield, Mass. 



PER CENT. 



Moisture at ioo°C., .80 



Organic and volatile matter, 5.46 



Potassium oxide. .01 



Phosphoric acid, none. 



Calcium oxide, .49 



Magnesium oxide. .32 



Ferric and Aluminic oxides, 7.70 



Sodium oxide, .02 



Sulphuric acid, 120 



Insoluble matter, 84.82 

 This material is practically useless from a fertilizing standpoint. 



