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shortleaf_loblolly_thinning_guides
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shortleaf_loblolly_thinning_guides [2012/04/05 19:17] ddrummond created |
shortleaf_loblolly_thinning_guides [2012/07/19 19:49] (current) 192.168.1.7 |
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| ====== Shortleaf/Loblolly Thinning Guides ====== | ====== Shortleaf/Loblolly Thinning Guides ====== | ||
| + | ====Shortleaf Pine Thinning Guide - Trees 4" D.B.H. & Over Leave Basal Area (Sq.ft.) for Site Index==== | ||
| + | ^Age ^40 ^50 ^60 ^70 ^80 ^90 | | ||
| + | |20 | | | |58 |70 |80 | | ||
| + | |25 | |55 |69 |82 |88 |91 | | ||
| + | |30 |55 |72 |85 |92 |93 |95 | | ||
| + | |35 |68 |83 |92 |94 |96 |97 | | ||
| + | |40 |77 |89 |93 |95 |97 |98 | | ||
| + | |45 |82 |90 |93 |95 |97 |98 | | ||
| + | |50 |84 |91 |93 |96 |97 |99 | | ||
| + | |60 |86 |91 |94 |96 |97 |99 | | ||
| + | |||
| + | ====Loblolly Pine-Thinning Guide- Trees 4" D.B.H & Over Leave Basal Area (Sq.ft.) for Site Index==== | ||
| + | ^Age ^60 ^70 ^80 ^90 ^100 ^110 | | ||
| + | |15 | | | | |58 |63 | | ||
| + | |20 | |61 |67 |72 |76 |81 | | ||
| + | |25 |66 |73 |78 |82 |85 |89 | | ||
| + | |30 |74 |80 |83 |87 |90 |95 | | ||
| + | |35 |79 |84 |87 |89 |93 |98 | | ||
| + | |40 |83 |86 |89 |92 |96 |100 | | ||
| + | |45 |85 |88 |91 |94 |97 |102 | | ||
| + | |50 |87 |89 |92 |95 |99 |104 | | ||
| + | |55 |88 |91 |93 |96 |100 |105 | | ||
| + | |60 |89 |92 |95 |97 |101 |106 | | ||
| + | |||
| + | Leave tables are 57% of normal (Misc.Pub.50). Thin at 80% or over of B.A. of fully stocked stand. To | ||
| + | determine time for thinning- assume that the stand will approach normal at the rate of 4% per year, | ||
| + | i.e. 68% Normal basal area- thin three years hence. (80-68)/(4) = 3\\ | ||
| + | Virginia Division of Forestry | ||
shortleaf_loblolly_thinning_guides.1333653450.txt.gz · Last modified: 2012/04/05 19:17 by ddrummond
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