46 



Increase of seed cotton per acre when kainit was added: 



To unfertilized plot u 26 lbs. 



To cotton seed meal plot 360 lbs. 



To acid phosphate plot 287 lbs. 



To cotton seed meal and acid phosphate plot . .308 lbs. 



Average irrcr^ase with kainit 245 lbs. 



lExpERiMENT Made by J, P. Slaton^ Seven JNIiles South of 



NOTASULGA. 



This test icas made on gray sandy hillside loith stiff er red- 

 dish subsoil. * 



The original growth was longleaf pine, oak, hickory and 

 tgwm, cleared eight years before. For two years pre- 

 'Ceding the experiment the land was pastured. Unfortunate- 

 \\ the land was not plowed until May 17th, which delay re- 

 duced the yields. The stand was good on all plots. Fo^r 

 .yields and increase see table on page 47, 



The complete fertilizer was most profitable, plot 9 giving 

 ian increase of 544 pounds of seed cotton per acre, equivalent 

 ito a net profit of f 8.76 per acre. 



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



To unfeiitalized plot 256 lbs. 



To acid phosphate plot 105 lbs. 



To kainit plot 173 lbs. 



To acid phosphate and kainit plot 210 lbs. 



Average increase with cotton seed meal 186 lbs. 



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



To unfertilized plot 276 lbs. 



To cotton seed meal plot 129 lbs. 



To kainit plot 128 lbs. 



To cotton seed meal and kainit plot 1C5 lbs. 



Average lincpeirse with acid phosphate 174 lbs ■ 



