87 



Increase in seed cotton per acre when kainir was added: 



To unfertilized plot 157 Itxs. 



To cottonseed meal plot 134 



To acid phosphate plot *J9 



To cottonseed meal a-nd acid phos. plot. . . .274 



Ayerage increase with kaiuit 166 



The results, which are not as uniform as desirable, sug- 

 gest that the land was somewhat deficient in all three of 

 the usual fertilizer constituents, Kainit was slightly in the 



lead. 

 The greatest profit was afforded by the plots to which the 



complete fertilizers were applied. 



ExPEKiMENT Made on Farm of F. C. McDonald, Rutlbdgk, 



Crknshaw County. 



The report does not describe the soil, but the prevailing 

 €oil in that locality is gray and sandy. 



