Performance of ponderosa pine seedlings under four herbicide regimes in northeast Oregon

  title={Performance of ponderosa pine seedlings under four herbicide regimes in northeast Oregon},
  author={Paul T. Oester and William H. Emmingham and Pat Larson and Stephen Clements},
  journal={New Forests},
The herbicide, hexazinone, was applied four ways over ponderosa pine, 2–0 seedlings planted in northeast Oregon. The four treatments were two broadcast applications, a single broadcast application, a large spot application, and a small spot application. Seedling survival and growth were monitored for five growing seasons. Results indicate that survival more than doubled with either large or small spot applications compared to no application, and either one or two broadcast applications can… CONTINUE READING


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