Nurseries to Give Big-City Test to Cloned Trees

New York City life is tough on trees. Compacted soil with high pH, low-hanging utility wires, an environment often hot and dry, and the city's harsh winters challenge a tree's survival and colorful foliage.

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<p><a href="http://www.physorg.com/news71323552.html">Nurseries to Give Big-City Test to Cloned Trees</a></p> <p>New York City life is tough on trees. Compacted soil with high pH, low-hanging utility wires, an environment often hot and dry, and the city's harsh winters challenge a tree's survival and colorful foliage.</p>