30 



&" 



Jacob Keller's Experiments. 



Result per acre 



PLATE TV. 



Photo, from ^th of an acre. 

 f 1,520 Ibs. of oats 

 \ 2,8.16 Ibs. of straw 



Without manure. 



PLATE IVA. Photo, from th of an acre. 



T,,- f480 Ibs. of kainit 



.Manured per l, A 1U m, > i Result per f 3, 



J. { 480 Ibs. of Thomas phosphate 



acre with | Qork 1U . t S acre \o, 



320 Ibs. or nitrate of soda 



240 Ibs. of oats 

 160 Ibs. of straw 



