632 Agricultural Experiment Station, Ithaca, N, Y. 



Table XXIIL 



Average height of tops 

 above ground. 



Apple, six varieties 5 feet 8 Indies 



Pen r, six varieties 5 '' 2 " 



Peacli, six varieties 4 " 6 " 



Plum, six varieties 4 " 11 " 



Table XXIY. 

 Composition. 



(6 trees). 



Total VFeight 



Total dry matter 



Apple. 

 Lbs. 



7.30 

 3.91 



Average length of roots 

 below surface of ground. 



1 foot 10 inches. 

 1 " 11 " 

 1 " 7 " 

 1 " 8 " 



Pear. 

 Lbs. 



7.28 

 3.85 



Ppach. 

 Lbs. 



6-34 

 3.33 



Plum. 

 Lbs. 



5.68 

 3.04 



SUMMARY. 

 Table XXY 



Lbs. 



Total mtroeen 0218 



Total phosphoric acid 0076 



Total potasli 0148 



The following quotation is taken from Smiths & Powell Co's- 

 letter dated October 20, 1894 : 



" In regard to the number of trees per acre, I maj say that the 

 blocks vary, but an average yield jDer acre one year with another 

 would be, pears, cherries and plums, 5,000 ; apples, 8,000." 



The following table is made from these estimates and the tables 

 above : 



Table XXYI. 



Amounts and value of fertilizing constituents removed from an 

 acre of nursery trees. {They occupy the ground for about 3- 

 years.) 



The above results show conclusively that but a small amount 

 of plant food is removed from the soil by the growth of nursery 

 stock. They also show that more phosphoric acid is removed by 

 the apples and pears than by the peaches and plums ; but any 



