16 



Increase of seed cotton per acre when cotton seed meal was added: 



To unfertilized plot 16 lbs. 



To acid phosphate plot 488 lbs. 



To kainit plot 000 lbs. 



To acid phosphate and kainit plot 120 lbs. 



Average increase with cotton seed meal 156 lbs. 



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



To unfertilized plot 40 lbs. 



To cotton seed meal plot 512 lbs. 



To kainit plot 248 lbs. 



To cotton seed meal and kainit plot 368 lbs. 



Average increase with acid phosphate 292 lbs. 



Increase of seed cotton per acre when kainit was added: 



To unfertilized plot 136 lbs. 



To cotton seed meal plot 120 lbs. 



To acid phosphate plot 344 lbs. 



To cotton seed meal and acid phosphate plot — 24 lbs. 



Average increase with kainit 144 lbs. 



Increase from use of cotton seed meal 156 lbs. 



Increase from use of nitrate of soda 4 lbs. 



Cotton seed meal better by 152 lbs. 



SHELBY COUNTY, >4-MILE EAST OF COLUMBIANA. 



Henry Milner. 



Gray gravely loam, zvith light yelloiv subsoil. 



This land has been cleared for fifteen years. The preceding 

 crop was cotton. Rust did most damage on the unfertilized 

 plots, and least damage on plots 9, 10, and 12, or the ones most 

 highly fertlized. The stand was uniform. All of the fertilizers 

 were highly profitable. 



Kainit where applied alone or in combination proved to be 

 the most profitable of any one of the fertilizers. Where ap- 

 plied alone it afforded a profit of $8.63 or 616 per cent on the 

 investment in fertilizers, against a profit of $2.93 for acid phos- 

 phate, and $4.11 for cotton seed meal. The most profitable 



