38 



The increased yields obtained in llie experiment at 

 Calhoun in 1899 are given below: 



Increase of seed cotton per acre when cotton seed meal 

 was added : 



To unfertilized plot 312 lbs. 



To acid phosphate plot 267 lbs. 



To kainit plot 187 lbs. 



To acid phosphate and kainit plot — 138 lbs. 



Average increase with cotton seed meal 157 lbs. 



Increase of seed cotton per acre Avhen acid phosphate 

 was added. 



To unfertilized plot 482 lbs. 



To cotton seed meal plot 437 lbs. 



To kainit plot ^'^1 lbs. 



To cotton seed meal and kainit plot 240 lbs. 



Average increase with acid phosphate 434 lbs. 



Increase of seed cotton per acre Avhen kainit was 

 added : 



To unfertilized plot 107 lbs. 



To cotton seed meal plot — 18 lbs. 



To acid phosphate plot 196 lbs. 



To cotton seed meal and acid phosphate plot. .—209 lbs. 



Average increase with kainit 19 lbs. 



Experiment :made by W. C. Bevill in 1899 near Na- 



HEOLA, Choctaw County. 



This experiment was made on upland soil of a "dark 

 mulatto" color, with red clay subsoil. The three pre- 

 ceding crops were cotton. The field had been cleared 

 about 50 years and the original gro\^i:h is reported as 

 long leaf pine, short leaf pine, oak, and gum. 



There was no rust or other injury except from severe 



