49 



increase of seed cotton per acre was 189 pounds for cotton seed 

 meal ; 88 pounds for acid phosphate. There was, on the aver- 

 age, a loss of 53 pounds where kainit was used. 

 Cotton seed meal was superior to nitrate of soda. 



Increase of seed co-ton per acre when cotton seed meal was added: 



To unfertilized plot 216 lbs. 



To acid phosphate plo'. 40 lbs. 



To kainit plot 248 lbs. 



To acid phosphate and kainit plot 250 lbs. 



Average increase with cotton seed meal 189 lbs. 



Increase of seed cotton per acre when acid phosphate was added: 



To unfertilized plot 168 lbs. 



To cotton seed meal plot — 8 lbs. 



To kainit plot ; 94 lbs. 



To cot. on seed meal and kainit plot 96 lbs- 

 Average increase with acid phosphate 88 lbs. 



Increase of seed cotton per acre when kainit was added: 



To unfertilized plot — 76 lbs. 



To cotton seed meal plot ■ — 44 lbs. 



To acid phosphate plot — 150 lbs. 



To cotton seed meal and acid phosphate plot 60 lbs. 



Average increase with kainit — 53 lbs. 



Increase from use of different quantities of kainit: 



From use of 200 pounds kainit in complete fertilizer. . 60 lbs. 

 From use of 100 pounds kainit in complete fertilizer. . 106 lbs. 



Increase from use of cotton seed meal 250 lbs. 



Increase from use of nitrate 148 lbs. 



Cotton seed meal better by 102 lbs. 



