43 

 Winston County, 3 Miles North East of Nauvoo, 

 W. M. Omary, 1908. (See Table, p. 39.) 

 Gray sandy soil icitli a reddish clay subsoil; "coal land.'' 



This field had been in cultivation only about 6 years; the 

 original growth is stated to have been short leaf pine. 



While a complete fertilizer afforded the largest yield, yet 

 the increase on plot 5, receiving only cotton seed meal and 

 phosphate, was almost as large and the profit on plot 5 was 

 even greater than on plot 9. 



Lbs. 



Average yield of seed cotton per acre, unfertilized 397 



Increase of seed cotton where cotton seed meal was added: 



To unfertilized plot 90 



To acid phosphate plot 197 



To kainit plot 127 



To acid phosphate and kainit plot S'/l 



Average increase with cotton seed meal 171 



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



To unfertilized plot 195 



To cotton seed meal plot 302 



To kainit plot 73 



To cotton seed meal and kainit plot 217 



Average increase with acid phosphate 197 



Incraese of seed cotton per acre when kainit was added: 



To unfertilized plot • • 81 



To cotton seed meal plot 118 



To acid phosphate plot — 41 



To cotton seed meal and acid phosphate plot 33 



Average increase with kainit 48 



