COMMERCIAL FERTILIZKHS I.V HORTICULTURE. 



171 



into " innocuous desuetude," aud plant food in its various forms, is 

 both bought and sold by the names it properly bears, as one buys 

 and sells sugar, iron, or an}^ other standard commodity. And the 

 time is coming when the general farmer, or the market gardener, 

 will order of the dealer so rnany pounds each of nitrogen, phos- 

 phoric acid, and potash, just as now he purchases seeds and foods. 

 As a suggestion to those, especially market gardeners and ihose 

 managing forcing houses, who are inclined to mix their own 

 fertilizers or to ask for a definite mixture from the dealer, I offer 

 the following combinations, which may be varied ad libitum. 



(1) 



15 per cent nitrogen 

 10 " " 



2 " phosphoric acid 

 15 " " " 



50 " potash 

 This combination would contain the following : 



Nitrogen 122 lbs. or 6.1 per cent. 



Phosphoric acid 119 " " 5.9 " 



Potash 125 " "6.2 " 



(2) 

 Sulphate of Ammonia 20 per cent nitrogen 



^ 6.75 

 Cotton seed meal 



Nitrate of soda 



Dried Blood 



Acid Phosphate 

 Sulphate of Potash 



250 lbs. 



Acid Phosphate 

 Muriate of Potash 



] 2.75 

 (l.75 

 15 



50 



This combination would contain the following : 



Nitrogen 117 lbs. or 5.85 per cent. 



Phosphoric Acid 110 " " 5.5 " 



This combination would contain the following : 



Nitrogen 125 lbs. or 6.25 per cent. 



■ Phosphoric acid 124 " " 6.2 " 



Potash 150 " '' 7.5 <' 



