66 



Increase of seed cotton per acre when kainit was added: 



To unfertilized plot 325 



To cotton seed meal plot 506 



To acid phosphate plot 36S 



To cotton seed meal and acid phosphate plot 356 



Average increase with kainit 389 



Macon County^ 5 Miles 



R. S. AND A, 



South West of Society Hill. 

 B. Floyd, 1906-7-8. 



Soil in 1907 dark sandy loam; in 1906 and 1908 gray sandy 

 soil; yelloiD suhsoil in all experiments. 



All these tests were made on land that had been lonj' in 

 cultivation. The original growth is reported as probably 

 short-leaf pine and hardwood. 



On gray sandy soil in 1906 and again in 1908 the com- 



