forest sanitation的意思|示意

The paper concerns in virgin Korean pine forest, after sanitation cutting, the herb increases 59.1%, the shrub decreases 50.95%, the litter decreases 24.58%.

本文揭示了红松原始林卫生清理后，绿色草本植物数量增加了59.1%，矮小灌木数量下降了50.95%，枯枝落叶层含量下降了24.58%。

Now DFB is widely used to control over 90 species insects of agriculture, forest, fruit, vegetable, store grain, graziery, sanitation and so on.

目前，灭幼脲已被用于防治农林、果树、蔬菜、贮粮、畜牧、卫生等90多种害虫。