The Composition and Use of Fertilizers. 205 



Hops. 



Per Pounds for Pounds of different materials for one 



' ent. one acre. acre. 



Nitrogen 3 20 to 40 50 to 100 pounds nitrate of soda; 



75 to 150 pounds dried blood; 75 

 to 150 pounds cotton seed meal. 



Available phosphoric 



acid 6 35 to 70 250 to 500 pounds dissolved rock. 



Potash 12 80 to 1G0 1G0 to 320 pounds muriate of 



potash. 



Suggestions. — Stable manure supplemented by commercial 

 forms of plant food may be used to advantage. 



Horse Radish. 



Per Pounds for Pounds of different materials for one 



cent, one acre. acre. 



Nitrogen 4 15 to 30 50 to 100 pounds nitrate of soda; 



75 to 150 pounds dried blood. 

 Available phosphoric 



acid f> 25 to 50 175 to 350 pounds dissolved rock. 



Potash 9 35 to 70 70 to 140 pounds muriate of 



potash. 



House Plants. 



Same as for flowers and flowering house plants and foliage 

 plants. 



Lettuce. 



Suggestions. — Apply the above mixture at time of planting 



and when plants are well started use per acre 100 pounds of 



