Analyses of Commercial Fertilizing Materials. 



Food for 

 Plants 



Name of Substance. 



I. Phosphatic Manures — 



01 

 t-. 



3 



CO 



'3 



Apatite 



Bone-ash 



Bone-black 



Bone-black (dissolved) 



Bone meal 



Bone meal (free from fats) . . . 

 Bone meal (from glue factory) 



Bone meal (dissolved) 



S. Carolina rock (ground) 



S. Carolina rock (floats) 



S. Carolina rock (dissolved) . . 



a 

 o> 

 to 

 o 



o 



Phosphoric Acid. 



7.00 

 4. GO 



7.47 



1.50 



27. Potash Manures. 



Carnallite 



Cotton-seed hull ashes 



Kainit 



Krugite 



Muriate of potash 



Nitrate of potash 



Spent tan-bark ashes 



Sulph. potash (high grade).. . 

 Sulph. potash and magnesia. . 



Sylvinite 



Waste from gunpowder works 



Wood-ashes (unleached) 



Wood-ashes (leached) 



4.12 

 6.20 

 1.70 

 2.60 



III. Nitrogenous Manures 



Castor pomace 



Cotton-seed meal 



Dried blood 



Dried fish 



Horn and hoof waste 



Lobster shells .' 



Meat scrap 



7.33 

 3.20 

 4.82 

 2.00 

 1.93 

 6.31 

 1.25 

 4.75 

 7.25 

 2.75 

 12.00 



0.98 

 6.80 

 12.50 

 12.75 

 10.17 

 7.27 

 12.09 



Avail- 

 able. 



16.70 



8.28 



Insolu- 

 ble. 



0.30 

 15.22 



Total. 



13.53 

 0.60 



13.09 



2.43 



5.56 



6.66 

 10.52 



7.25 

 13.25 



4.50 

 10.44 



13.68 

 23.80 

 13.54 



8.42 

 52.46 

 45.19 



2.04 

 38.60 

 23 . 50 

 16.65 

 18.00 



5.50 



1.10 



11.60 



1.12 

 1.62 



0.45 



4.07 

 27.43 



3.60 



36.08 

 35.89 

 28.28 

 17.00 

 23.50 

 20.10 

 29.90 

 17.60 

 28.03 

 27.20 

 15.20 



3 . 05 



s 



5.20 



50 



(il 



85 

 40 



2.16 

 1.45 

 1.91 

 8.25 

 1.83 

 3.52 

 2.07 



263 



