124 



Food fob Plants. 



in preference to the use of Nitrate alone. The earlier 

 the application, the better the results. 



After plowing in the material in February, the orchard 

 should be cultivated every thirty (30) days until August, 

 preferably in the forepart of each month. The last culti- 

 vation is done best bv a disk harrow. 



Results at Highgrove. 

 Yields of 3 plots of equal size. 



4 Boxes 9 Boxes 15 Boxes 



Orang:es Oranges Oranges 

 with no Fertilized Fertilized 

 Fertilizer, with Acid with 



Phosphate Nitrate of 

 Alone. Soda 



and Acid 

 Phosphate. 



Formulas for full-grown citrus trees in tabular form 

 are as follows : 



Rate per Acre 



Nitrate of Soda alone 200 lbs. 



or preferably 



Nitrate of Soda 400 lbs. 



Acid, or Super Phosphate 400 lbs. 



These formulas it is believed will also be found very 

 satisfactory for both full-grown lemon trees and full- 

 grown grapefruit. 



