Mean total nitrogen (percent total N on dry weight basis) in leaves of 25 landscape tree species.
| Tree species | Mean (%)zy |
|---|---|
| White mulberry (Morus alba) | 2.9 a |
| Honeylocust (Gleditsia triacanthos) | 2.8 ab |
| White birch (Betula pendula) | 2.7 ab |
| Goldenrain tree (Koelreuteria paniculata) | 2.6 b |
| Silver maple (Acer saccharinum) | 2.6 b |
| Raywood ash (Fraxinus oxycarpa) | 2.4 c |
| Valley oak (Quercus lobata) | 2.3 c |
| White alder (Alnus rhombifolia) | 2.3 c |
| Chinese pistache (Pistachia chinensis) | 2.3 c |
| Modesto ash (Fraxinus velutina ‘Modesto’) | 2.2 cd |
| Zelkova (Zelkova serrata) | 2.2 cde |
| Crapemyrtle (Lagerstroemia indica) | 2.2 cde |
| Chinese hackberry (Celtis sinensis) | 2.2 cde |
| Chinese tallow tree (Sapium sebiferum) | 2.1 cde |
| London planetree (Platanus acerifolia) | 2.0 def |
| Tuliptree (Liriodendron tulipifera) | 2.0 def |
| Eucalyptus (Eucalyptus spp.) | 1.9 ef |
| Cork oak (Quercus suber) | 1.9 f |
| Maidenhair tree (Ginkgo biloba) | 1.9 f |
| Holly oak (Quercus ilex) | 1.6 g |
| Olive (Olea europa) | 1.6 g |
| Camphor tree (Cinnamomum camphora) | 1.6 g |
| Bradford pear (Pyrus calleryana ‘Bradford’) | 1-6 g |
| Southern magnolia (Magnolia grandiflora) | 1.3 h |
| Deodar cedar (Cedrus deodara) | 1.1 h |