COTTOM. 



37 



fertilized witli a single ingrredient, and a larger yield than did plot 6, 

 where acid phosphate was substituted for one-half the amount of kainit 

 applied to plot 4. 



^The Station has been in existence three years, and has tested 

 about fifteen fertilizers each season on the yellow clay soils, which are 

 typical of the hill regions of the State. It has been our uniform ex- 

 perience during three seasons that the purchase of concentrated 

 nitrogenous fertilizers is not profitable, and that potash fertilizers 

 either in the form of kainit, sulphate of potash, or ashes, have alwajrs 

 given a fair profit. We have also found that a fertilizer containing a 

 large percentage of potash with a smaller amount of phosphoric acid 

 has invariably given a greater net profit than has any single commer- 

 cialsalL" 



JLXrtMdMESm OH COTTOJ* AT THE. Mi»»i»IPPI STATiOi<ii. 



1893. 



By S. M. Tracy, Director, Sixth Annual Report, page 6, From a 



review of the work done by the Station for several years in regard to 



fertilizers upon cotton, the following is quoted : 



"In 1889 thirty-eight plots were used for tesu of fertilizers. These 



were on a heavy clay soil in an old field, which had been so exhausted 



