176 AGRICULTURAL EXPERIMENT STATION. [Jan. 



Muck. 

 [Sent on by W. H. Earle, Worcester, Mass.] 



ir. 



Moisture at 100° C, 

 Ash, .... 

 Feme oxide, . 

 Aluminic oxide, . 

 Calcium oxide, 

 Magnesium oxide. 

 Potassium oxide, . 

 Phosphoric acid, . 

 Nitrogen, 

 Insoluble silicious matter. 



10.030 



51.289 



Trace. 



6.672 



.038 



.030 



.051 



.198 



1.470 



39.755 



11.231 



51.400 



Trace. 



6.953 



.049 



.031 



.062 



.232 



1.460 



39.635 



Sea-weed. 

 [Sent on from Eastham, Mass., — two samples.] 



ir. 



Moisture at 100° C, 



Nitrogen (16 1 cts. per lb.), . 



Phosphoric acid (6 cts. per lb.). 



Potassium oxide (4| cts. per lb.) 



Calcium oxide, 



Magnesium oxide 



Sodium oxide. 



Chlorine, 



Insoluble matter. 



Valuation per 2,000 lbs 



12.05 

 1.66 

 .44 

 3.81 

 2.73 

 1.48 



11.75 

 6.40 

 7.73 



f9.25 



14.96 



1.28 



.17 



.36 



386 



1.30 



8.40 



5.28 



.78 



$4.72 



