Food for Plants. 



181 



Analyses of Commercial Fertilizing Materials. 



Name of Substance 



B 



m 



I. Phosphatic Manures — 



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 ( gromid) 



S. Carolina rock (floats) 



S. Carolina rock (dissolved) . . . . 



o 



f2 



7.00 

 4.60 



7.47 



1.50 



//. 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 (unle ached) | 12 



Wood-ashes (leached) 



33 



20 

 82 

 00 

 93 

 31 

 25 

 75 

 25 

 75 

 00 



///. Nitrogenous Manures 



Castor pomace 



Cotton-seed meal 



Dried blood 



Dried fish 



Horn and hoof waste 



Lobster shells 



Meat scrap 



Malt sprouts 



Nitrate of soda 



Nitre-cake 



Oleomargarine refuse 



Sulphate of ammonia 



Tankage 



Tobacco stems 



Wool waste 



4.12 

 6.20 

 1 70 

 2.60 



13.09 



2.43 



9.98 



6.80 



12.50 



12.75 



10.17 



7.27 



12 09 



7.40 



1.25 



6.00 



8,54 



1.00 



13.20 



10.61 



9.27 



IV. Miscellaneous Materials. 



Ashes (anthracite coal) 



Ashes (bituminous coal) 



Ashes (corn-cob) 



Ashes (lime-kiln) 



15.45 



5. 56 

 6.66 



10.52 

 7.25 



13.25 

 4.50 



10.44 

 4.04 



15 . 65 

 2.30 



12.12 



20.50 

 6.82 

 2.29 

 5.64 



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 



1.12 

 1.62 



Phosphoric Acid 



Avail- 

 able 



16.70 



8.28 



13.53 

 0.60 



11.60 



Insolu- 

 ble 



0.30 

 15.22 



4.07 

 27.43 



3.60 



Total 



36.08 

 35.89 



28.28 

 17.00 

 23.50 

 20.10 

 29.90 

 17.60 

 28.03 

 27.20 

 15 . 20 



0.45 



2.20 



0.40 



6.44 

 1.30 



0.10 



0.40 



23.20 



0.86 



0.35 



5.02 



5.20 



6.23 



8.50 



1.61 



1.85 

 1.40 



2.16 

 1.45 

 1.91 

 8.25 

 1.83 

 3 52 

 2 07 

 1.70 



0.88 



11.25 

 60 

 0,29 



10 

 40 



1.18 



