以落叶松带状间伐迹地人工更新林为对象,采用正交试验设计方法,选择地膜覆盖、遮阳网覆盖等省力更新措施,调查了1 a中的杂草覆盖率指标,分析评价省力更新试验效果。结果表明:地膜覆盖下杂草覆盖率最优组合为2层黑色地膜铺设3个月,遮阳网覆盖下杂草覆盖率最优组合为2层6针遮阳网铺设3个月。 The artificial regeneration forest of larch banded deforested land was taken as the research object. Orthogonal experimental design method was used to select the new measures such as mulching and shade net coverage, and the weed coverage index in 1 year was investigated. . The results showed that the optimal combination of coverage of weeds covered by plastic film was 3 months for 2 layers of black film and 3 layers for 6 months.