sa 



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



To unfertilized plot G96 lbs. 



To cotton seed meal plot 681 lbs. 



To kainit plot 494 lbs. 



To cotton seed meal and kainit plot 465 lbs. 



Average increase with acid phosphate 584 lbs. 



Increase of seed cotton per acre when kainit was added: 



To unfertilized plot 334 lbs. - 



To cotton seed meal plot 287 lbs. 



To acid phosphate plot 132 lbs. 



To cotton seed meal and acid phosphate plot.. 71 lbs. 



Average increase with kainit 212 lbs. 



EXPEIUMEXT ^FaDK T.Y 1*. G. WiLLIAilJS, V/j MiLES We.sT OP 



Athens^ Limestone. County. 



Darl: hroini hidiii or cJaij icit-h red subsoil. 



This field luid been cleared mauv vears. The original 

 growth is reported as oak, black jack oak, gum and popiiar. 



There was no rust, but drought and early frost cut short 

 the yield. The most profitable fertilizer was the complete 

 one containing 100 pounds of kainit. With this the in- 

 crease was 472 pounds of seed cotton per acre, thus atford- 

 ing a net profit above the cost of fertilizer and picking and 

 ginning of increase of |7.64 per acre. However, all fertil- 

 izers whether applied singly, by twos, or by threes, profita- 

 bly increased the yield. 



Increase of seed cotton per acre when cotton- seed nieal was added :: 



To unfertilized plot , 208 lbs. 



To acid phosphate plot 109 lbs. 



To kainit plot 84 lbs. 



'. To acid phosphate and kainit plot 215 lbs. 



Average increase with cotton seed meal 1&4 lbs. 



