Ten-Year Response of Western Larch and Douglas-fir Seedlings to Mulch Mats, Sulfometuron, and Shade in Northeast Oregon
This trial investigated the effectiveness of small-scale vegetation management treatments on seedling survival and growth. Treatments included a black mulch mat, a spot application of sulfometuron, and control; in each of these treatments, half the seedlings were shaded. Costs of the treatments were evaluated. Vegetation management and shade improved seedling survival after 4 and 10 yr. After 10 yr, individual seedling and per-area volume growth in the weed control treatments outperformed the control; in some cases, they were diverging. Lowest cost per established seedling was obtained by using sulfometuron without shade.
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Author(s): Paul T. Oester
Publication: Tree Planters' Notes - Volumes 53, Number 1 (2008)
Section: 5
Volume: 53
Number: 1
