70 



-^extreme heat of the last part of June caused all plots to 

 shed. Plots where no kainit was used shed most, especially 

 plots 1, 2 and 5." 



Union Springs experiment with cotton. 



o 



1 

 2 

 3 

 4 



'{ 



8 



•I 

 .1 



Fertilizers. 



o 



cS 



p. 



-u 



S 

 o 



s 



< 



KIND. 



200 

 240 



00 

 200 

 200! 

 240 

 200 

 200 

 240 

 200 



00 

 20u 

 240 

 200 

 200 

 240 

 100 



Cottonseed meal. 

 Acid phosphate. . 



No fertilizer 



Kaiuit 



Cottonseed meal. 

 Acid phosphate. . 

 Cottonseed meal. 



Kainit 



Acid phosphate. . 



Kainit 



No fertilizer 



Cottonseed meal. 

 Acid phosphate. . 



Kainit 



Cottonseed meal. 

 Acid phosphate. • 

 Kainit 



ci 



o 

 o 



Qui 



SEED COTTON 



78 

 94 



97 



77 



86 



78 



85 

 95 



81 



91 



o 



FINANCIAL RESULTS 



> 



o 

 « . 



EC . 



cS • 



•a 



o ■ 



s 



"a, 



Lhs. 

 648 

 664 

 520 

 812 



704 



688 



704 

 512 



808 



784 



Lhs. 

 128 

 144 



$2.56 

 2.88 



294 



187 



173 



290 



296 



.s ^ 



o 

 o 



5.88 

 3.74 



3.46 



5.80 



5.92 



272 5.44 



en - 



C !< 



$0.66 

 l.aO 



3.28 

 2.70 



4.60 



3.90 



4.50 

 .52 



.18 



3.10 



1.32 

 1 .54 



Increase of seed cotton per acre when cottonseed meal 

 wae added: 



To unfertilized plot 128 lbs. 



To acid phosphate plot 43 



To kainit plot —121 



To acid phosphate and kainit plot 6 



J? 



j> 



Average increase with cottonseed meal 14 



5> 



