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Old roads: Some adjustment to predicted yield may be required to account for yield losses due to old roads and skid trails, like this old road in the middle of the plantation. The way in which you structure your analysis and prepare your data determines whether you must apply an OAF to predicted yield to account for the old roads. For example, if you make some overall reduction for productive land lost to roads, you will not need to apply an OAF to predicted yield to account for them. Also see the discussion for Ponds and Swamps and Non-Productive Area.

Old road

 
Last Updated: August 22, 2001
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