29 



Silver Run experiments with cotton. 



o 

 Z 



o 



CM 



FERTILIZER. 



Silver 

 Run 

 1902 



Silver 

 Run 

 1903 



Silver 

 Run 

 1904 



0) 

 u 

 u 



O 



a 



<i3 



KIND. 



20) 



240 



00 



200 



200 

 240 



2'">0 

 200 



240 

 2O0 



200 

 240 

 200 



200 

 240 

 100 



Cotton seed meal 

 Acid phosphate . . 



No fertilizer 



Kainit 



Cotton seed meal 

 Acid phosphate . . 

 Cotton seed meal 



Kainit 



Acid phosphate . . 



Kainit 



No fertilizer 



Cotton seed meal 

 Acid phosphate . . 



Kainit 



Cotton seed meal 

 \cid phosphate . . 

 Kainit 



Lds. 

 144 

 184 

 104 

 240 



324 



356 



304 

 136 



492 



455 



Lbs. 



4C 

 80 



129 



207 



0) 





 m u 



O 



?_8 ! 



Lbs. 

 200 

 392 

 280 

 480 



672 



o 



O 0) 



53 V 



OJ 



0) 





233 

 175 



I 



568 



744 

 344 



356 776 



3B_ !^. 

 Lbs. 

 —80 

 112 



o 

 c3 



ft 



C 



o 

 o 



t- a- 

 o a) 



I— I 3 



Z,(^5. 1 Lbs- 



320 



920 



187 

 366 



249 



412 



432 



57(1 

 544 

 528 

 568 



880 



48. 



345- 



696 158' 



648 1 irr 



5441 



880 1 



576 944 , 



."v^6 



.<oa 



Increase of seed cotton when cotton seed meal was added: 



1902 



To unfertilized plot 40 lbs. 



To acid phosphate plot 127 lbs. 



To kainit plot 104 lbs. 



To acid phosphate and kainit plot 181 lbs. 



1903 1904 



80 lbs. 48 lbs. 



254 lbs. 329 lbs, 



62 lbs. 121 lbs. 



20 lbs. 229 lbs. 



Average increase with cotton seed meal. . 95 lbs. 64 lbs. 181 lbs. 



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



To unfertilized plot 80 lbs. 112 lbs. IG lbs. 



To cotton seed meal plot 167 lbs. 446 lbs. 297 Ibs. 



To kainit plot 46 lbs. 225 lbs. 70 lbs. 



To cotton seed meal and kainit plot 123 lbs. 183 lbs, 178 Ibs. 



Average increase with acid phosphate. .106 lbs. 242 lbs. 140 lbs.. 



