44 Food for Plants. 



Experiments on Tobacco at the Kentucky Experiment Station. 



Value of 

 Yield of tobacco — pounds. tobacco 



Fertilizer per acre. Bright. Red. Lugs. Tips. Trash. Total. per acre. 



1. No manure L'dO 'MW (iO 540 1,100 $67.20 



2. IGO lbs. Nitrate of 



Soda 2;i0 If)!) :U() 90 530 1,010 138.40 



3. 100 lbs. sulp. of 



])otash; 100 lbs. 



Nitrate of Soda. 190 755 005 120 140 1,S1() li)().45 



4. 320 lbs. suix'r- 



phospliate; 100 

 lbs. sulp. of ])ot- 

 ash; 100 lbs. Ni- 

 trate of Soda... 310 810 420 10 300 2,000 21)1.20 



" The to])acco was assorted by an expert and the prices 

 given as follows: Bright and red, fifteen cents per 

 pound; lugs, six cents per pound; tips, eight cents per 

 pound; trash, two cents per pound." 



One luuidred and sixty pounds Nitrate of Soda, costing 

 about $:>.75, increased the value of the crop $71.1^0 per 

 acre ! 



Instructions for Using Nitrate of Soda on Tobacco. 



Just before setting out plants, apply the Nitrate of 

 Soda by broadcasting it evenly, by machine, or by hand, 

 over the entire surface of the tobacco field you are fer- 

 tilizing, at the rate of 150 pounds per acre. One hundred 

 and fifty pounds of Nitrate is equal in bulk to about one 

 and one-half bushels. 



Formula for TnJiacco. 



Nitrate aloiu> 150 lbs. per acre 



or preferal)ly 



Nitrate ". 200 lbs. per acre 



Acid Phosphate 200 lbs. per acre 



When potash salts can conveniently be obtained we 

 advise the use of fifty pounds of sulphate of potash to 

 the acre everv other vear. 



