SOIL PROFILE AND ROOT PENETRATION BY APPLE TREES 



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Figure 5.— Plot of trees in an old hi?h-producing orchard showing 

 colored poorly drained Granby soils, indicated within the dot 



arge number of dead trees on dark- 

 ed Unas. X indicates productive 



trees; 0> dead trees; ®, sick trees; — , trees cut out for better spacing. 



