Food for FERTILIZERS FOR FRUITS. 



Plants 



(Bulletin 66, Hatch Experiment Station, March, 1900.) 



80 



^,. P o J Fertilizers for the Apple : The results 



Nitrate of Soda , .u ^ • ^ ^ u xy^ ^ 



. , show the most improvement where Nitrate 



on Apples. r c j r j r 1 . 



or Soda was applied, hor apple trees in 



grass the following fertilizer is recommended : Nitrate of 



Soda I to 5 pounds, Sulphate of potash i to 5 pounds, S. 



C. phosphate rock 4 to 10 pounds. The quantity used to 



be varied according to the size of the tree. 



r, , Fertilizers for the Peach : The fertilizer 



recommended, depending upon the size of 



the trees, is substantially the same as for apples, except that 



the phosphate rock is reduced one-half for the earlier stages 



of growth, remaining the same as for apples in the later 



stages. Nitrate of Soda should not be applied until just 



as the trees are beginning to grow. 



^T. c o J Fertilizers for other Fruits : For all 



Nitrate of Soda • ir • n u u j i . 



pp. perennial rruits as well as shrubs and plants, 



^ ,/ the fertilizer used should be largely available 



Generally. . , , ^ 1 



in the early part or the season, as a preven- 

 tative to winter injuries. Nitrate of Soda is the most de- 

 sirable form of ammoniate. The following is a recommended 

 fertilizer: 150 to 300 pounds of Nitrate of Soda, 500 to 

 1,000 pounds of acid phosphate, and 150 to 300 pounds 

 sulphate of potash, to be used at the rate of 1,000 to 2,000 

 pounds per acre. The formula is as follows : Nitrogen 3 

 per cent, available phosphoric acid 7 per cent, and potash 8 

 to 9 per cent. 



^ IT-- '^00 lbs. Nitrate. 



General Fruit ^ lu a ,j du u . 

 T. , COO lbs. Acid rhosphate. 



Formula. -' 11 o 1 l r n l 



200 lbs. Sulphate or rotash. 



