8 , The Bulletin. 



ively of tliis mixture would be supplied by 175 pounds and 438 pounds 

 of 16 per cent acid phosphate; the nitrogen by 215 pounds and 538 

 pounds of 13 per cent (N.) dried blood; and the potash by 100 pounds 

 and 250 pounds of manure salt. Other materials or other grades of these 

 same materials may be used, and it will not be difficult, knowing just 

 what they contain, to use such quantities of them as will be necessary to 

 furnish the quantities cf plant food, having in mind that it is the 

 specific number of pounds of phosphoric acid, nitrogen and potash that 

 is desired, rather than a given weight of mixed fertilizer. 



13. On a whole the results show that lime used at the rate of 1,000 

 pounds of slaked lime broadcast every two or four years has proven 

 profitable in cotton growing, when the lime was used in connection with 

 an application of the normal fertilizer. 



