90 



FJR.\f yfANURES, AND SUflLAR MATERIALS 



Water . . . 

 Organic substance 

 Ash .... 

 Nitrogen . 

 Potash . . . 

 Soda .... 



Human feces, fresh 



772.0 Lime 



198.0 Magnesia .... 



29.9 Phosphoric acid . . 



10.0 Sulfuric acid . 



2.5 Silica and sand . 



1.6 Chlorine and riuorine 



6.2 

 3.6 

 10.9 

 0.8 

 1.9 

 0.4 



Human urine, fresh 



Lime 



^L^gnosia .... 

 Phosphoric acid . . 

 Sulfuric acid . 

 Chlorine and fluorine 



0.2 

 0.2 

 1.7 

 0.4 

 5.0 



Sewage (Samuel Rideal) 



1000 tons of London crude sewage 



Lb. 



Ammonia 219 



Phosphoric acid (soluble) 28 



Phosphoric acid (in.soluble) 24 



Potash 51 



Analyses of Fruit and Garden Products, with Reference to their Ferti- 

 lizing Constituents (Wolff and Goessmaiin) 



One thousand parts of the plants contain in pounds: — 



Name 



Corn, kernels . . . 



stalk and leaves . 

 Potato, tubers . . . 



vines . . . . 

 Peas, seed . . . . 



vines . . . . 

 Beans, seed . , . . 



vines . . . . 

 Carrots, roots . . . 



leaves . . . . 

 Sugar beet, roots . . 



leaves . . . . 

 White turnip, roots . 



leaves . . . . 

 Swedish turnip, roots 



leaves . . . . 

 White cabbage, head 



roots . . . . 



Water 



144 

 150 

 750 

 770 

 143 

 160 

 150 

 160 

 850 

 822 

 815 

 897 

 920 

 898 

 870 

 884 

 900 

 890 



Nitro- 

 gen 



16.0 



4.8 



3.4 



4.9 



35.8 



10.4 



39.0 



2.2 

 5.1 

 1.6 

 3.0 

 1.8 

 3.0 

 2.1 

 3.4 

 3.0 

 2.4 



Ash 



12.4 

 45.3 



9.5 

 19.7 

 23.4 

 43.1 

 27.4 

 40.2 



8.2 

 23.9 



7.1 

 15.3 



6.4 

 11.9 



7.5 

 19.5 



9.6 

 15.6 



Potash 



3.7 



16.4 



5.8 



4.3 



10.1 



9.9 



12.0 



12.8 



3.0 



2.9 



3.8 



4.0 



2.9 



2.8 



3.5 



2.8 



4.3 



5.8 



Lime 



0.3 

 4.9 

 0.3 

 6.4 

 1.1 



15.9 

 1.5 



11.1 

 0.9 

 7.9 

 0.4 

 3.1 

 0.7 

 3.9 

 0.9 

 6.5 

 1.2 

 2.8 



Phos- 

 phoric 

 Acid 



5.7 

 3.8 

 1.6 

 1.6 

 8.4 

 3.5 

 9.7 

 3.9 

 1.1 

 1.0 

 0.9 

 0.7 

 0.8 

 0.9 

 1.1 

 2.0 

 1.1 

 1.4 



