53 



Sterrett experiment with cotton. 



o 



1 



4 



s 



10- 



Fertilizer's. 



o 



a 

 s 

 o 



S 



< 



Lbs. 

 200 

 240 



00 

 200 

 200 

 240 

 200 

 200 

 240 

 200 



00 

 200 

 240 

 200 

 200 

 240 

 100 



Kind. 



IS 



ce 

 o. 

 o 



Si 



^ be 



S.2 



-.1 



Cottonseed meal 

 Acid phosphate. 



No fertilizer 



Kainit 



Cottonseed meal 

 Acid phosphate. 

 Cottonseed meal ... . \ 



Kainit ] 



Acid phosphate I 



Kaiuit \ 



No fertilizer 



Cottonseed meal . . . . i 

 Acid phosphate. . . . > 



Kainit ; 



Cottonseed meal . . . 1 



Acid phosphate | 



Kainit ) 



SEED COTTON 



U 



es 



(B 



a, 





35 

 41 

 30 

 30 



36 

 25 



34 



27 



24 

 24 



Lbs. 



1,080 



1,448 



1,040 



1,216 



1,688 



1,200 



1,520 

 1,328 



1,720 

 1,512 



a « 

 So 



go — 



£^ 



s 



L6s. 



40 



408 



118 

 533 



-13 



249 



392 



184 



FINANCIAI, RESULTS 



OB 



$0.80 

 8.16 



2.36 

 10.66 



— .26 



4.98 



7.84 



3.68 



00 

 « 



o 



ci 



P. 



$1 .90 

 1.32 



1.38 

 3.22 



3.28 



2.70 



4.60 



.90 



« 





$ 



-1.10 

 6.84 



.98 

 7.22 



2.28 



3.24 



— .22 



Increase of seed cotton per acre when cottonseed meal 

 wais added: 



To unfertilized plot ^0 1T)S. 



To acid phosphate plot 125 " 



To kain.it plot .- 131 " 



To acid phosphate and kainit plot 143 " 



Averase increa«J« with cottonseed meal 44 " 



Increase of seed cotton per acre when acid phosphate 

 •was added : 



To unfertilized plot . . . = , .408 lbs. 



To cottonseed meal p'ot 493 " 



To kainit plot 131 " 



To cottonseed meal and kainit plot .405 " 



Average increase with acid phosphate 359 



