102 



FUNDAMENTALS OF FRUIT PRODUCTION 

 Table 2. — Ash Analyses of Apple Varieties^*" 



Ash in 

 percent- 

 ages of 

 dry weight 



Si02 P2O6 SO3 CaO MgO NaaO K2O 



(In percentages of ash) 



Branches : 



Haas 



Golden Sweet 

 Hurlburt 



Trunks: 



Haas 



Golden Sweet 

 Hurlburt 



Roots : 



Haas 



Golden Sweet 

 Hurlburt 



3.93 

 3.04 

 4.92 



2.04 

 2.29 



2.89 



5.64 

 3.53 

 4.34 



8.59 

 3.37 

 5.16 



6.96 

 8.02 

 1.31 



5.43 

 2.00 

 9.86 



Table 3. — Ash Analyses of a 7-year Old Apple Tree at the Time of Leaf-fall^^ 

 (In percentages of dry weight) 



Summer growth 3 . 57 



1-year old branches 2 . 83 



2-year old branches 2 . 76 



3-year old branches 2 . 75 



4-year old branches 1 . 87 



5-year old branches 1 . 78 



Trunk 1.33 



Large roots = . . . . 1 . 83 



Small roots 4.51 



Table 4. — Ash Content of Wood and Bark® 

 (In percentages of dry weight) 



Wood 



Mahaleb cherry 

 Sweet cherry . . . 

 Horse chestnut . 



1.38 

 0.23 



2.58 



Table 5. — Ash Analyses of Seeds^" 



