SOIL PROFILE AND ROOT PENETRATION BY APPLE TREES 



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© ROOTS MORE THAN ONE INCH IN OIAMETER •• SMALLER ROOTS AND ROOTLETS 



BETWEEN ONE HALF AND ONE INCH IN DIAMETER ® LARGE DEAD ROOTS 



X SMALLER DEAD ROOTLETS 



Figure 13.— Root penetration of a Baldwin apple tree 35 years old on Petoskey loamy fine sand, a soil of 

 group 1: A, brown loamy fine sand; B, light-brown loamy fine sand; C, yellowish-brown fine sand; 

 D, grayish-brown fine sand; E, light grayish-brown fine sand; and F, gray fine sand. 



