The anchor-chain scarifier usually does an adequate job on areas with shallow duff (up to 7.5 cm deep) and light to moderate slash loads (to 50 tons/ha). On areas with .... Quite often, the cost of scarification is recovered through reduction in the planting costs. The spot ... However, none of the spot scarifiers are satisfactory for scarifying areas of very heavy competition from tall grass and shrubs. The mostanbsp;...
|Author||:||Pacific Northwest Forest and Range Experiment Station (Portland, Or.), Canadian Forestry Service, University of Alaska, Fairbanks. School of Agriculture and Land Resources Management|