Silvicultural Options for Managing Hemlock Forests

Silvicultural Options for Managing Hemlock Forests

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日期:2024-04-23
8 Time of year – HWA has 2 generations per year and mobile crawlers exist between April and July. Examine the foliage and logs for the presence of HWA during this time as the pest may be transported on machinery that is moved from site to site, including...看更多