Resin assessment a valuable tool

Hughes, Marion
August 2007
New Zealand Tree Grower;Aug2007, Vol. 28 Issue 3, p25
The article explains how Weyerhaeuser New Zealand uses visual assessment tools to reduce the effect of resinous logs on its sawmill and helps in its decisions for silviculture and genetics selection. A case study included in Don McConchie's "A Field Guide to Assist Recognition and Classification of Resinous Defects on the Bark of Radiata Pine" was replicated in the Weyerhaeuser forest estate. Resin scores were collected with the firm's inventory soon after the guide was available and after a training session with McConchie. The data collected is stored against each stand as an average resin score. This method gives the company an indication of how the stand is ranked compared with to others and does a great job of locating the stands and forests with problems.


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