300 



BOARD OF AGRICULTtJRE. 



Lobos' Peruvian Ouano. 



(Collected of Chas. A. Ropea & Son, Salem, Mass., by J. B. Lindsey, assistant of 



Inspector.) 



No guaranty obtained. 



Moisture at 100° C, 

 Total pliosphoric acid, 

 Soluble phosphoric acid, 

 Reverted phosphoric acid, 

 Insoluble phosphoric acid, 

 Potassium oxide, 

 Nitrogen (in ammonia salts). 

 Nitrogen (in organic matter), 

 Nitrogen (in nitrates), . 

 Insoluble matter, 



Valuation per two thousand pounds : — 



7. pounds of soluble phosphoric acid, 

 96.6 pounds of reverted phosphoric acid, 

 205.4 pounds of insoluble phosiDhoric acid, . 

 42.4 pounds of potassium oxide, . 

 67.6 pounds of nitrogen (in ammonia salts), 

 27.2 i^ounds of nitrogen (in organic matter), 

 10.2 pounds of nitrogen (in nitrates), . 



Lobos' Peruvian Ouano, No. 1. 

 (Collected of D. A. Horton, Northampton, Mass.) 



No guaranty obtained. 



Moisture at 100° C, 

 Total phosphoric acid. 

 Soluble phosphoric acid. 

 Reverted phosphoric acid. 

 Insoluble jDhosphoric acid. 

 Nitrogen (in organic matter), 

 Nitrogen (in ammonia salts). 

 Nitrogen (in nitrates), . 

 Potassium oxide, 

 Insoluble matter. 



Valuation per two thousand pounds : — 



66 2 pounds of soluble phosphoric acid, 

 124. pounds of reverted phosphoric acid, 

 253.6 pounds of insoluble phosphoric acid, . 

 46. pounds of nitrogen (in organic matter) 

 69.6 pounds of nitrogen (in ammonia salts), 

 8. pounds of nitrogen (in nitrates), . 



Per cent. 



12.45 



1545 



.35 



4.83 



10 27 



2.12 



3.38 



1.36 



.51 



11.55 



10 70 



8 69 



9 24 

 1 80 



14 87 

 5 44 

 1 84 



$42 58 



Per cent. 



14.20 



21.69 



2.81 



6.20 



12.68 



2.30 



3.48 



.40 



4.60 



$5 62 

 11 16 

 11 41 



9 20 

 15 31 



1 44 



$54 14 



