270 



horticultukist's rule-book. 



Ash 45.2 



Nitrogen 19.5 



Potash 22.6 



Soda 5.4 



Phosphoric acid . . .0.1 

 Sulphuric acid .... 3.0 

 Silica and sand .... 0.1 

 Chlorine and fluorine . .5.5 



27. Swine-Feces, Fresh. 



Water 820.0 



Organic substance . . 150.0 



Ash 30.0 



Nitrogen 6.0 



Potash 2.6 



Soda 2.5 



Lime 0.9 



Magnesia 1.0 



Phosphoric acid .... 4. 1 

 Sulphuric acid . . . . 0.4 

 Silica and sand . . , .15.0 

 Chlorine and fluorine . .0.3 



28. Swine- Urine, Fresh. 



Water 967.0 



Organic substance . . 28.0 



Ash 15.0 



Nitrogen 4.3 



Soda 2.1 



Magnesia 0.8 



Phosphoric acid . . . . 0.7 



Sulphuric acid . . . . 0.8 



Potash 8.3 Chlorine and fluorine . 



2.3 



29. Human Feces, Fresh. 



Water 772.0 



Organic substance . . 198.0 



Ash 29.9 



Nitrogen 10.0 



Potash 2.5 



Soda 1.6 



Lime 6.2 



Magnesia 3.6 



Phosphoric acid .... 10.9 



Sulphuric acid .... 0.8 



Silica and sand .... 1.9 



Chlorine and fluorine . . 0.4 



30. Human Urine, Fresh. 



Water 963.0 



Organic substance . . 24.0 



Ash 13.5 



Nitrogen 6.0 



Potash 2.0 



Soda ....... 4.6 



Lime 0.2 



Magnesia 0.2 



Phosphoric acid . . . . '1.7 



Sulphuric acid .... 0.4 



Chlorine and fluorine . . 5.0 



