This page contains specific information about Turkey oak (Quercus cerris) '3580', which can be found in the park of Huize Empe in Empe (municipality of Voorst). The girth of the tree is 3.22 m measured at a height of 1.30 m (Nov 7, 2011, L. Goudzwaard & J. Philippona). Its height is exactly 34.20 m (Nov 7, 2011, laser with Sine method (e.g. Nikon Forestry 550 laser rangefinder), L. Goudzwaard & J. Philippona). This tree was planted around the year 1880 ± 10, which makes it around 133 ± 10 years old (Jeroen Philippona, Oct 1, 2011).
The growth rate shown in the table shows the yearly average increase in girth since the last measurement. This value only gives an indication of the growth rate, since every measurement could be done at slightly different heights and during different periods of the year.
Growth rate
The girth was measured more than once:| Year | Girth@1.3 m | Measurement | Growth rate |
| 2009 | 3.60 m | Jeroen Philippona | - |
| 2011 | 3.22 m | L. Goudzwaard & J. Philippona | -19.0 cm/year |
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