Thinning, Fertilization and Herbicide Trials to improve Koa Production
Virtual Field Day: UPDATED December 2009
Dr. J.B. Friday, CTAHR Extension Forester, explains a research trial to study the results of thinning, fertilization, and herbicides to improve Acacia koa production. Dr. James Leary, CTAHR Invasive Weed Specialist, explains the herbicide trial and demonstrates an application. CTAHR Virtual Field Day: Umikoa Ranch November 2008. ONE YEAR LATER follow-up shows the effect of the grass control. November 2009.
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