INSPECTION OF COMMERCIAL FERTILIZERS 

 Composition of the Products under Experiment 



53 



Nitrogen. 



Name of Product. 



Total. 



In Am- 

 moniacal 

 rorins. 



In 

 Nitrate 

 Forms. 



Water 

 Soluble 

 Organic, 



Water 

 InsolubTe 

 Organic. 



Dried Red Blood (a) .... 



Grade used for feeding domestic animals. 

 This is the standard by which the other 

 products are rated. 



Dark Dried Blood (6) . 



Fertilizer grade. 



Mowrah Meal (c) . 



By-product from Dimorjihandia Excelsa, a 

 tree belonging to the legume family and 

 growing in Guiana and Trinidad. 



Sample furnished by Eastern Cotton Oil 

 Co., Norfolk, Va. 



Hoof and Horn Meal (';) 



Process Tankage (6) 



Manufactured by Sniitl 

 Norfolk, Va. 



Ueduction Co., 



Process Tankage "Smirow" . 



Manufactured by Smith Rowland Co., Inc. 

 Norfolk, Va. 



Sample furnished by manufacturer. 



Said to be superior in quality to their regu- 

 lar product. 



Garbage Tankage (6) . 



Omega Tankage ..... 



Manufactured by International Agricul- 

 tural Corp. 

 Sample furnished bj' manufacturer. 



Nitrolene ...... 



Manufactured by F. S. Royster Guano Co. 

 Sample furnished by manufacturer. 



Milorganite (b) . . . 



Manufactured by Sewerage Commission 

 of Milwaukee, Wis. 



Rape Seed Meal (b) . . . . 



Whale Guano (h) 



Nitrogenous Tankage (h) 



Manufactured by ^Ionroe & Co., Gla.sgow, 

 Scotland. 



Agrinite (6) . 



Manufactured by American Agricultural 

 Chemical Co. 



Hynite (6) . 



Manufactured by United Fertilizer Co., 

 Milwaukee, Wis. 



Avail Tankage ..... 



Manufactured by Western Fertilizer Prod- 

 ucts Co., Granite City, 111. 

 Sample furnished by manufacturer. 



Peruvian Guano 



Imported by Nitrate Agencies Co., New 



York, N. Y. 

 Sample furnished by importer. 



Darling's Tankage (h) . 



Manufactured by Darling & Co., Union 

 Stock Yards, Chicago, 111. 



Supernite Tankage (6) . 



Uric Acid ...... 



Purchased through Eastman Kodak Co., 

 Rochester, N. Y, 



1.3.70 



13.90 

 2.79 



15.08 

 7.40 



8.67 



2.65 

 8.24 



8.54 



5.48 



5.66 

 8.42 

 6.99 



7.45 



9.29 



5.89 



15.83 



5.42 



11.81 

 33.02 



.19 



.09 



.03 

 .15 



.59 



.05 



.04 

 .86 

 .19 



.14 



,12 



2.07 



.24 



.20 

 none 



none 

 none 



none 

 none 



.09 

 none 

 none 



none 

 none 



.13 

 .33 



1.20 

 .34 



.39 

 1.42 



1.12 

 2.35 

 3 . 26 



2.13 



none 1.72 



none 1.0] 



3.89 



1.73 



1.28 

 .07 



13.24 



13.60 

 2.46 



13.68 

 6.81 



7.94 



2.23 

 6.67 



3.01 



4.41 

 5.21 

 3.54 



7.43 



4.76 



3.45 



10.33 

 32.95 



(o) This product also contained .66% total phosphoric acid. 



(b) Sample secured through trade channeLj. 



(c) This product also contained .85% total phosphoric acid, 1.93',' total potash. AS% calcium 

 oxide, .33%, magnesium oxide. 



