AN APPLE ORCHARD SURVEY OF WAYNE COUNTY, NEW YORK, 275 



TABLE 15. 

 Plant-food in apple leaves. 



TABLE 16. 

 Plant-food in wood and roots. 



*To get the estimate of the amount required for wood and roots each year, it was 

 assumed that * of the mature tree was grown each year. Trees 45 years old are 

 usually larger than the tree analyzed. 



Grain . . 

 Straw . 



TABLE 17. 



Composition of wheat. 



Water. Nitrogen. 



. 14.75% 2.36% 



12.56 



56 



Phosphoric 

 acid. 



0.89% 

 .12 



Potash. 



0.6l% 



51 



Water. 



85-3? 



Composition of apples. 



'hosph 

 acid 



0.01^ 



Nitrogen. 

 0.13* 



Phosphoric 

 acid. 



Potash. 



