Food for Plants. 81 



tomatoes at $1.25 is tcorth more than 15 baskets later in 

 the season, when the price is about 8 cents per basket. 

 The plants to be used on the nitrated plot were treated 

 with a diluted solution of Nitrate four separate times. 

 Plants were field set May 17, and given six applications 

 of Nitrate of Soda ; first, 100 pounds per acre soon after 

 setting out; second, third and fourth of 75 pounds each; 

 and fifth and sixth of 50 pounds each — in all, about 425 

 pounds per acre. The results were : 



Nitrate No Nitrate 



Plants set out in tield May 17. May 17. 



First picking June 30. July 19. 



Days, setting to first picking 43 62 



Crop at $1.00 and upward per basket 40 per cent. 



" .75 " " 30 " 10 per cent. 



" .50 " " 20 " 15 " 



" .30 " " 10 " 20 " 



cc 25 " " 9,5 " 



" .08 " " ...... 15 " 



Estimated viold per acre, baskets 500 GOO 



Gross receipts $377 50 $190 20 



Cost of Nitrate of Soda and application. ... 10 35 



Xet receii)ts 367 15 190 20 



Gain per acre for Nitrate 1^6 95 



Instructions for Using Nitrate of Soda on Tomatoes. 



Apply the Nitrate of Soda by broadcasting it evenly 

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

 tilizing, at the rate of 200 pounds per acre, before seed- 

 ing, or planting, or transplanting. 



Our Formula for Tomatoes. 



Nitrate alone 200 lbs. ])cr acre. 



or i)referablv 



Nitrate \ 300 " " " 



Acid Phosphate 300 " " " 



When potash salts can be conveniently obtained we 

 advise the use of fifty pounds of sulphate of potash to 

 the acre every other year 



