This page contains specific information about black pine (Pinus nigra) '3318', which can be found at Schovenhorst Country Estate in Putten. The girth of the tree is 2.43 m measured at a height of 1.30 m (Apr 8, 2013, Leo Goudzwaard). Its height is exactly 34.20 m (Apr 8, 2013, laser with Sine method (e.g. Nikon Forestry 550 laser rangefinder), Leo Goudzwaard). This tree was planted around the year 1920 ± 10, which makes it around 93 ± 10 years old (Leo Goudzwaard, 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.
The tree is a specimen of the cultivar 'corsicana'.
Growth rate
The girth was measured more than once:| Year | Girth@1.3 m | Measurement | Growth rate |
| 2010 | 2.42 m | Leo Goudzwaard | - |
| 2013 | 2.43 m | Leo Goudzwaard | 0.3 cm/year |
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Photos
The photos are provided by Leo Goudzwaard.
