11 



Increase of seed cottou per acre when kaiuit was 



added : 



To unfertilized plot 27 lbs. lbs. 



To cotton seed meal plot 72 lbs. lbs. 



To acid phosphate plot 18 lbs. 32 lbs. 



To cotton seed meal and acid phos- 

 phate plot 96 lbs. 176 lbs. 



Average increase with kainit 41 ibs. 52 lbs. 



In the above paragraphs the results of Mr. Purifoy^s 

 experiment in 1898 are republished to show the close cor- 

 respondence between the results of the two years, both 

 tending to indicate that the phosphate was more benefi- 

 cial than cotton seed meal and that kainit was of least 

 effect. 



Snoiv Hill and Funnan experiments icith cotton on 



white bald prairie. 



Fertilizkr^. 



SNOW 1[ILL 



1899. 



FL'RMAX 



]900. 



o 



a> 



Kind. 





c 

 o 



o . 



a> 





o 



<1J 



If. 



m • — 



si rz 

 a I' 



'Cotton seed meal. 

 A.cid phosphate. . . 



,Xo fertilizer 



'Kainit 



iCotton seed meal. 

 j Acid phosphate . . 

 Cotton seed meal. 



Kainit 



JAcid phosphate. . . 



JKainit , . . . . 



Xo fertilizer . . . . 

 Cotton seed meaj. 

 Acid phosphate. . . 



Kainit 



ICotton seed meal. 

 Acid phosphate. . . 

 Kainit 



s 



•} 



■} 



144 



208 



00 



00 



192 

 144 



240 



00 



368 



416 



144 

 208 



'.'.' .o' 



192 

 144 

 240 



368 



416 



Us. 

 480 

 480 

 400 

 376 



664 



488 



616 

 416 



624 



616 



Lhs. 

 80 

 SO 



-27 



258 



79 



204 



208 

 200 



