what type of text is strong roots
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There are places where trees don’t belong -- their strong roots can probe the joints in pipes, grow into cracks in foundations and damage underground structures. A compromised basement wall, septic system or sewer connection might be the expensive consequence of buying and planting an ornamental tree without checking to find out how deep its roots will grow and how aggressive they’ll be in their search for sustenance.
Form Follows Function
Tree roots serve two vital functions; they gather nutrients from the soil and they support the weight of the top growth of the tree. Like an iceberg, a large tree requires a large substructure -- in the tree’s case, that structure consists of perennial primary roots and shorter-lived secondary roots that grow in waves as the tree’s leaf canopy expands. Some primary roots extend almost as deep as the height of the tree. Secondary “feeder” roots often extend far beyond a tree’s drip line -- the imaginary line around the tree where water drips off the perimeter of its canopy. Genetic mutations and environmental considerations aside, tall trees with huge, wide crowns require deeper, stronger root systems than smaller trees.